Sixth Death Confirmed as Legionnaires Outbreak Sweeps Upper East Side

Sixth Death Confirmed as Legionnaires Outbreak Sweeps Upper East Side

New York City health officials confirmed a sixth death and 90 Legionnaires’ disease cases linked to contaminated cooling towers on the Upper East Side, reporting no new infections. Earlier in the outbreak, officials traced the spread to dozens of towers, ordering disinfection of 76 buildings and later adding dozens more to a public list. Over the months, the death toll rose from the first fatality to six as case counts climbed from an initial ten to ninety, while the city expanded testing, published tower locations and urged residents to seek medical care. The investigation began with ten confirmed cases in Carnegie Hill and Yorkville, prompting testing of cooling towers.

Subsequent reports raised the count to 14, then 18, 28, 46, 60, 63, 72, 74, 82 and finally 90 cases, with five deaths reported before the sixth. The mayor pledged to release addresses of towers that tested positive, and the health department ordered cleaning of towers at major sites including museums and schools. By the latest update, remediation efforts continued but no new cases had been identified.

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July 29, 2026
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Sixth Fatality Reported in Upper East Side Legionnaires’ Disease Outbreak
Sixth Fatality Reported in Upper East Side Legionnaires’ Disease Outbreak

Gothamist • 29 Jul 12:05

The city health department confirmed a sixth death and a total of 90 infections linked to a suspected cooling-tower source, with no new cases since mid-July.

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Sixth Fatality Reported in Upper East Side Legionnaires' Disease Outbreak
Sixth Fatality Reported in Upper East Side Legionnaires' Disease Outbreak

New York Post • 29 Jul 01:46

A sixth person has died from the Legionnaires' disease cluster on Manhattan's Upper East Side, bringing the death toll to six while no new cases have been reported for nearly two weeks.

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Sixth Fatality Reported in New York City Legionnaires' Disease Outbreak
Sixth Fatality Reported in New York City Legionnaires' Disease Outbreak

ABC News - Breaking News, Latest News and Videos • 29 Jul 01:03

New York City health officials confirmed a sixth death linked to the Legionnaires' disease cluster on the Upper East Side, with 90 cases identified and no new infections since mid-July.

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July 27, 2026
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NYC health department narrows source of Legionella outbreak to 56 Upper East Side cooling towers
NYC health department narrows source of Legionella outbreak to 56 Upper East Side cooling towers

Gothamist • 27 Jul 18:38

Culture testing identified 56 Upper East Side buildings with live Legionella bacteria in their cooling towers, narrowing the search for the source of a Legionnaires' disease outbreak that has sickened 89 people.

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July 25, 2026
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NYC Museums and Hotels Did Not Notify Visitors About Legionella Contamination
NYC Museums and Hotels Did Not Notify Visitors About Legionella Contamination

New York Post • 25 Jul 12:17

A review found that several major New York City attractions with positive Legionella tests failed to post warnings, prompting criticism and proposed legislation for better public notification.

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July 23, 2026
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NYC health department adds 50 Upper East Side buildings to Legionella-positive list
NYC health department adds 50 Upper East Side buildings to Legionella-positive list

NBC New York • 23 Jul 14:43

The New York City health department reported that more than a dozen additional Upper East Side buildings tested positive for live Legionella bacteria, bringing the total to 50 addresses, as officials continue monitoring the outbreak.

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July 22, 2026
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Five deaths and 82 illnesses reported in New York City Legionnaires' disease outbreak
Five deaths and 82 illnesses reported in New York City Legionnaires' disease outbreak

Fox News • 22 Jul 22:53

The New York City Department of Health confirmed five fatalities and 82 cases linked to a Legionnaires' disease outbreak on the Upper East Side, with officials saying no new cases have emerged in the past six days.

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Fifth Fatality Reported in New York City Legionnaires' Outbreak
Fifth Fatality Reported in New York City Legionnaires' Outbreak

USA Today • 22 Jul 13:27

New York City health officials say a fifth death has been linked to a Legionnaires' disease outbreak on the Upper East Side, with 82 cases identified and most patients discharged.

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Upper East Side Legionnaires’ outbreak claims fifth death as 82 cases confirmed
Upper East Side Legionnaires’ outbreak claims fifth death as 82 cases confirmed

Gothamist • 22 Jul 10:30

A fifth fatality has been linked to a Legionnaires’ disease outbreak on Manhattan’s Upper East Side, where 82 people have been diagnosed and 34 cooling towers tested positive for the bacteria.

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Fifth Fatality Reported in New York City Legionnaires' Disease Outbreak
Fifth Fatality Reported in New York City Legionnaires' Disease Outbreak

New York Post • 22 Jul 07:40

New York City health officials confirmed a fifth death linked to the Legionnaires' disease outbreak, with 34 cooling towers testing positive for Legionella and ongoing cleaning efforts across the city.

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Fifth Fatality Reported in New York City Legionnaires' Disease Outbreak
Fifth Fatality Reported in New York City Legionnaires' Disease Outbreak

AP News • 22 Jul 01:47

New York City health officials confirmed a fifth death linked to the Legionnaires' disease outbreak, noting 34 cooling towers tested positive and ongoing cleaning efforts across the city.

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July 20, 2026
5 total
Fourth Fatality Reported in Manhattan Legionnaires’ Disease Outbreak
Fourth Fatality Reported in Manhattan Legionnaires’ Disease Outbreak

Yahoo • 20 Jul 23:14

New York City health officials confirmed a fourth death linked to a Legionnaires’ disease cluster on the Upper East Side, bringing the total to 76 cases, with seven patients still hospitalized.

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NYC Council Speaker Calls for Mayor's Accountability Over Legionnaires' Outbreak
NYC Council Speaker Calls for Mayor's Accountability Over Legionnaires' Outbreak

New York Post • 20 Jul 22:20

Council Speaker Julie Menin announced legislation to strengthen city oversight of cooling towers after a Legionnaires' disease outbreak on the Upper East Side that has resulted in multiple illnesses and deaths.

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Family of Upper East Side Legionnaires' Victim Plans Lawsuit Against Cooling Tower Owner
Family of Upper East Side Legionnaires' Victim Plans Lawsuit Against Cooling Tower Owner

ABC7 New York • 20 Jul 10:18

An 88-year-old veteran died after contracting Legionnaires' disease during a New York City outbreak, and his family intends to sue the cooling tower owner once identified.

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Third Fatality Reported in New York City Legionnaires' Disease Cluster
Third Fatality Reported in New York City Legionnaires' Disease Cluster

ABC News - Breaking News, Latest News and Videos • 20 Jul 00:34

Health officials say a third person has died and 74 cases have been identified in an Upper East Side Legionnaires' disease outbreak, with eight patients still hospitalized.

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Third Fatality Reported in Upper East Side Legionnaires’ Disease Outbreak
Third Fatality Reported in Upper East Side Legionnaires’ Disease Outbreak

Gothamist • 20 Jul 00:11

The Manhattan Health Department said the Legionnaires’ disease cluster has sickened 74 people, with three deaths confirmed and no new cases reported in over a week.

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July 19, 2026
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Second Manhattan Resident Dies as Legionnaires’ Outbreak Claims 88-Year-Old Victim
Second Manhattan Resident Dies as Legionnaires’ Outbreak Claims 88-Year-Old Victim

The New York Times • 19 Jul 18:21

An 88-year-old Upper East Side resident has died, bringing the death toll to two in a Legionnaires’ disease outbreak that has infected 72 people since early July.

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Second Fatality Reported in New York City Legionnaires’ Disease Outbreak
Second Fatality Reported in New York City Legionnaires’ Disease Outbreak

The Guardian • 19 Jul 16:51

A second death has been confirmed as New York City’s legionnaires’ disease outbreak reaches at least 72 cases, while health officials say recent remediation efforts have likely halted the source of exposure.

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Second death confirmed in New York City Legionnaires’ disease outbreak
Second death confirmed in New York City Legionnaires’ disease outbreak

AP News • 19 Jul 16:08

A second fatality has been reported among 72 confirmed Legionnaires’ disease cases on Manhattan’s Upper East Side, as city health officials say new infections are declining.

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Second Fatality Reported in Upper East Side Legionnaires' Disease Outbreak
Second Fatality Reported in Upper East Side Legionnaires' Disease Outbreak

New York Post • 19 Jul 05:51

A second death has been confirmed in the Upper East Side Legionnaires' disease cluster, while officials say the decline in new cases suggests the source of the outbreak may have been contained.

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Second death reported in Manhattan Legionnaires' outbreak
Second death reported in Manhattan Legionnaires' outbreak

Gothamist • 19 Jul 04:00

The New York City Health Department confirmed a second fatality linked to a Legionnaires' disease cluster on the Upper East Side, while noting a decline in new cases.

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July 18, 2026
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First Fatality Reported in Upper East Side Legionnaires' Outbreak
First Fatality Reported in Upper East Side Legionnaires' Outbreak

Gothamist • 18 Jul 15:26

City health officials confirmed the first death linked to the Legionnaires' disease cluster that has infected at least 67 people on Manhattan's Upper East Side.

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First Fatality Reported in Upper East Side Legionnaires’ Outbreak
First Fatality Reported in Upper East Side Legionnaires’ Outbreak

The New York Times • 18 Jul 00:34

New York City health officials confirmed the first death linked to the Legionnaires’ disease cluster on Manhattan’s Upper East Side, where 67 people have been infected.

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First Fatality Reported in New York Legionnaires' Disease Outbreak
First Fatality Reported in New York Legionnaires' Disease Outbreak

AP News • 18 Jul 00:08

Health officials said a patient has died after contracting Legionnaires' disease in an Upper East Side outbreak that has sickened dozens.

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July 17, 2026
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First Fatality Reported in New York City Legionnaires' Disease Outbreak
First Fatality Reported in New York City Legionnaires' Disease Outbreak

The Guardian • 17 Jul 23:46

Health officials confirmed one death among more than 60 cases of Legionnaires' disease linked to cooling towers on Manhattan's Upper East Side, while investigations into the source continue.

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First Fatality Confirmed in Upper East Side Legionnaires' Disease Cluster
First Fatality Confirmed in Upper East Side Legionnaires' Disease Cluster

ABC7 New York • 17 Jul 22:56

New York City health officials reported the first death linked to the Legionnaires' disease outbreak on the Upper East Side, bringing the total cases to 67 with 12 hospitalizations.

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NYC reports first death as Legionnaires' disease cases rise to 67
NYC reports first death as Legionnaires' disease cases rise to 67

New York Post • 17 Jul 22:23

One person has died and 67 cases of Legionnaires' disease have been confirmed in New York City, with 12 patients still hospitalized.

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July 15, 2026
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NYC Health Officials Report Legionella Findings in Cooling Towers of 76 Buildings
NYC Health Officials Report Legionella Findings in Cooling Towers of 76 Buildings

curbed.com • 15 Jul 18:31

City health authorities have confirmed Legionella bacteria in the cooling towers of 76 New York buildings, with 63 hospitalizations and no deaths reported. Experts advise routine testing, mitigation measures and caution for vulnerable individuals.

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NYC Health Officials Report 60 Legionnaires Cases as New Diagnoses Decline
NYC Health Officials Report 60 Legionnaires Cases as New Diagnoses Decline

AP News • 15 Jul 14:24

The Manhattan Upper East Side outbreak has reached 60 confirmed Legionnaires’ disease cases, with hospitalizations decreasing and inspections of cooling towers ongoing.

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Upper East Side cooling towers testing positive for Legionella more than double
Upper East Side cooling towers testing positive for Legionella more than double

Gothamist • 15 Jul 12:24

City health officials say 45 additional Upper East Side buildings have tested positive for Legionella, bringing the total to 76, and have ordered remediation to contain the outbreak that has sickened 60 people.

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NYC orders 76 buildings, including Met Museum and elite schools, to disinfect cooling towers after Legionella tests
NYC orders 76 buildings, including Met Museum and elite schools, to disinfect cooling towers after Legionella tests

New York Post • 15 Jul 02:46

The New York City Health Department has mandated cleaning and disinfection of cooling towers at 76 properties after testing positive for Legionella bacteria, part of an outbreak that has sickened 63 people.

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July 14, 2026
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NYC health officials list 45 additional buildings testing positive for Legionella
NYC health officials list 45 additional buildings testing positive for Legionella

Patch • 14 Jul 20:55

The New York City Department of Health announced 45 new addresses with positive Legionella PCR tests, bringing the total to 76 cooling towers under remediation, as cases of Legionnaires' disease on the Upper East Side decline.

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July 13, 2026
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Upper West Side building discovers Legionella in hot water system amid citywide outbreak
Upper West Side building discovers Legionella in hot water system amid citywide outbreak

ABC7 New York • 13 Jul 11:39

A residential building on Manhattan's Upper West Side independently detected Legionella bacteria in its hot water system and plans remediation, while city health officials continue disinfection efforts for cooling towers linked to a rising Legionnaires' disease outbreak on the Upper East Side.

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July 12, 2026
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Guggenheim Museum among Upper East Side buildings ordered to disinfect cooling towers after Legionella detection
Guggenheim Museum among Upper East Side buildings ordered to disinfect cooling towers after Legionella detection

Fox News • 12 Jul 10:30

The Solomon R. Guggenheim Museum was identified as one of 31 Upper East Side properties that must clean and disinfect their cooling towers after testing positive for Legionella bacteria linked to a recent outbreak.

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July 11, 2026
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Guggenheim Museum among Upper East Side buildings ordered to disinfect cooling towers after Legionnaires' tests
Guggenheim Museum among Upper East Side buildings ordered to disinfect cooling towers after Legionnaires' tests

PBS • 11 Jul 23:21

The New York City health department ordered 31 Upper East Side buildings, including the Guggenheim Museum, to clean and disinfect their cooling towers after testing positive for Legionella bacteria, though no source of the outbreak has been confirmed.

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Guggenheim Museum among Manhattan sites testing positive for Legionella bacteria
Guggenheim Museum among Manhattan sites testing positive for Legionella bacteria

AP News • 11 Jul 20:03

The Solomon R. Guggenheim Museum is one of 31 Upper East Side buildings ordered to clean cooling towers after testing positive for Legionella, though officials say there is no immediate risk to visitors.

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Upper East Side cooling towers, including Guggenheim, test positive for Legionella
Upper East Side cooling towers, including Guggenheim, test positive for Legionella

Gothamist • 11 Jul 14:49

The city health department confirmed that 31 Upper East Side buildings have Legionella in their cooling towers, prompting cleaning orders and ongoing testing to locate the source of a local outbreak.

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Upper West Side Co-op to Disinfect Hot-Water System After Legionella Detection
Upper West Side Co-op to Disinfect Hot-Water System After Legionella Detection

West Side Rag • 11 Jul 13:22

The Ardsley building on the Upper West Side found Legionella bacteria in its domestic hot-water system and will disinfect and flush the system on July 16, urging residents to avoid hot water until the process is complete.

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July 10, 2026
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31 Upper East Side Buildings Have Cooling Towers Testing Positive for Legionella Bacteria
31 Upper East Side Buildings Have Cooling Towers Testing Positive for Legionella Bacteria

amNewYork • 10 Jul 22:23

The New York City Health Department identified 31 Upper East Side buildings with cooling towers that preliminarily tested positive for Legionella, prompting immediate cleaning orders as an outbreak has sickened 46 people.

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New York City investigates Legionnaires' disease cluster linked to cooling towers on Upper East Side
New York City investigates Legionnaires' disease cluster linked to cooling towers on Upper East Side

BBC • 10 Jul 16:06

Health officials have confirmed 46 cases of Legionnaires' disease tied to contaminated water-cooling towers in Manhattan, prompting aggressive testing and disinfection orders.

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NYC to Publish List of Upper East Side Buildings with Positive Legionella Tests
NYC to Publish List of Upper East Side Buildings with Positive Legionella Tests

ABC7 New York • 10 Jul 09:06

City officials will release Friday a list of Upper East Side properties whose cooling towers tested positive for Legionella as 46 cases of Legionnaires' disease have been confirmed, with 22 patients still hospitalized.

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July 09, 2026
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NYC health officials map Upper East Side cooling towers amid Legionnaires' outbreak
NYC health officials map Upper East Side cooling towers amid Legionnaires' outbreak

Gothamist • 09 Jul 22:23

City data show 55% of 203 cooling towers in the affected Upper East Side ZIP codes reported Legionella test results in 2026, while about half have not been inspected in over a year.

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NYC health officials identify dozens of Upper East Side buildings with Legionella bacteria amid outbreak
NYC health officials identify dozens of Upper East Side buildings with Legionella bacteria amid outbreak

ABC7 New York • 09 Jul 21:24

Testing has found Legionella bacteria in multiple cooling towers on Manhattan's Upper East Side, prompting city officials to order remediation and prepare to publish a list of affected sites.

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NYC Legionnaires' disease cluster rises to 46 confirmed cases
NYC Legionnaires' disease cluster rises to 46 confirmed cases

ABC News - Breaking News, Latest News and Videos • 09 Jul 17:01

New York City health officials report 46 confirmed Legionnaires' disease cases, primarily in the Upper East Side, with 22 hospitalizations and no fatalities.

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New York health officials investigate Legionnaires' disease outbreak linked to cooling towers
New York health officials investigate Legionnaires' disease outbreak linked to cooling towers

The Guardian • 09 Jul 14:01

At least 28 people have fallen ill with Legionnaires' disease on Manhattan's Upper East Side, prompting city health officials to test nearly 160 cooling towers and order disinfection of 19 sites amid concerns about climate-related risk.

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NYC health officials investigate source of Upper East Side Legionnaires' outbreak
NYC health officials investigate source of Upper East Side Legionnaires' outbreak

ABC7 New York • 09 Jul 02:19

New York City health authorities have confirmed 36 cases of Legionnaires' disease linked to cooling towers on the Upper East Side and plan to release building addresses while testing continues.

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July 08, 2026
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NYC mayor pledges to publish addresses of buildings with Legionella-positive cooling towers
NYC mayor pledges to publish addresses of buildings with Legionella-positive cooling towers

Gothamist • 08 Jul 20:42

Mayor Zohran Mamdani announced that the city will release the locations of any Upper East Side buildings whose water-cooling towers test positive for Legionella as officials continue testing and remediation efforts.

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Manhattan health officials investigate cooling-tower source of Legionnaires' disease cluster
Manhattan health officials investigate cooling-tower source of Legionnaires' disease cluster

Yahoo News UK • 08 Jul 12:22

The New York City health department reports 28 Legionnaires' disease cases, mostly hospitalized, linked to a suspected cooling-tower contamination in the Upper East Side.

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July 07, 2026
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NYC reports 23 Legionnaires' disease cases linked to Upper East Side cooling towers
NYC reports 23 Legionnaires' disease cases linked to Upper East Side cooling towers

Fox News • 07 Jul 17:49

The New York City Health Department confirmed 23 cases and 17 hospitalizations of Legionnaires' disease tied to suspected contaminated cooling towers on the Upper East Side, with no deaths reported.

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NYC health department investigates Legionnaires' disease cluster on Upper East Side
NYC health department investigates Legionnaires' disease cluster on Upper East Side

AP News • 07 Jul 15:15

New York City officials have confirmed 23 cases of Legionnaires' disease in two Upper East Side neighborhoods, prompting testing of local cooling towers and urging residents with flu-like symptoms to seek medical care.

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NYC installs cooling towers amid Upper East Side Legionella outbreak
NYC installs cooling towers amid Upper East Side Legionella outbreak

New York Post • 07 Jul 14:33

City officials say water mist from cooling towers, not drinking water systems, is linked to a Legionella outbreak that has sickened at least 23 residents on the Upper East Side.

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NYC health department reports modest rise in cooling-tower inspections amid new Legionnaires’ cluster on Upper East Side
NYC health department reports modest rise in cooling-tower inspections amid new Legionnaires’ cluster on Upper East Side

Gothamist • 07 Jul 13:29

City officials say inspections of cooling towers have increased slightly since 2025, but compliance remains low as a new cluster of at least 14 Legionnaires’ disease cases is investigated in Manhattan.

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NYC Health Department reports 23 Legionnaires' cases on Upper East Side, expands affected zone
NYC Health Department reports 23 Legionnaires' cases on Upper East Side, expands affected zone

NBC New York • 07 Jul 02:48

The New York City health agency confirmed 23 Legionnaires' disease cases, including 17 hospitalizations, and expanded the outbreak area to cover a stretch of the Upper East Side adjacent to Central Park.

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July 06, 2026
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NYC health officials investigate Legionnaires' disease cluster on Upper East Side
NYC health officials investigate Legionnaires' disease cluster on Upper East Side

ABC7 New York • 06 Jul 20:46

Eighteen cases of Legionnaires' disease have been confirmed in Manhattan's Yorkville and Carnegie Hill neighborhoods, with health officials suspecting a cooling tower as the source.

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NYC health officials report 14 Legionnaires' disease cases on Upper East Side
NYC health officials report 14 Legionnaires' disease cases on Upper East Side

Fox News • 06 Jul 01:19

Fourteen cases of Legionnaires' disease have been confirmed in Manhattan's Upper East Side, prompting officials to test cooling towers and advise residents to watch for flu-like symptoms.

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July 05, 2026
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NYC health officials investigate Legionnaires' disease cluster as cases rise to 14 in Upper East Side neighborhoods
NYC health officials investigate Legionnaires' disease cluster as cases rise to 14 in Upper East Side neighborhoods

New York Post • 05 Jul 23:29

Fourteen Legionnaires' disease cases have been confirmed in the Carnegie Hall and Yorkville areas, prompting city health officials to test local cooling towers while urging residents to seek medical care for flu-like symptoms.

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July 04, 2026
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NYC health department investigates Upper East Side Legionnaires' disease cluster
NYC health department investigates Upper East Side Legionnaires' disease cluster

Gothamist • 04 Jul 14:12

New York City officials are testing cooling towers after ten Legionnaires' disease cases were confirmed in the Upper East Side neighborhoods of Carnegie Hill and Yorkville.

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July 03, 2026
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NYC Health Department investigates Legionnaires' disease cases on Upper East Side
NYC Health Department investigates Legionnaires' disease cases on Upper East Side

New York Post • 03 Jul 02:18

Two residents of the Upper East Side have been diagnosed with Legionnaires' disease, prompting health officials to test local cooling towers and advise the public to seek medical care for flu-like symptoms.

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