Pennsylvania Enforces Quarantine Amid New World Screwworm Outbreak in Texas

Pennsylvania Enforces Quarantine Amid New World Screwworm Outbreak in Texas

The Pennsylvania Department of Agriculture issued a quarantine order restricting movement of susceptible livestock after New World screwworm cases were confirmed in neighboring Texas. The U. S. Department of Agriculture confirmed the presence of a screwworm in a calf in Zavala County, Texas, according to CBS News. BBC reported that this was the first U.

S. case since the 1960s, raising concerns about livestock impacts. NBC News said the USDA allocated $750 million for a sterile-fly facility to prevent a wider outbreak. AP News later announced two additional infestations in Texas cattle and a dog, bringing the state total to four cases. WGAL reported that Pennsylvania’s quarantine limits animal movement and urges heightened biosecurity to protect local herds.

Actors

U.S. Department of Agriculture Texas Animal Health Commission

Locations

Zavala County

Articles

June 16, 2026
1 total
Pennsylvania Implements Quarantine to Guard Against New World Screwworm Threat
Pennsylvania Implements Quarantine to Guard Against New World Screwworm Threat

WGAL • 16 Jun 09:31

The state agriculture department has issued a quarantine order restricting movement of susceptible animals and urged heightened biosecurity after New World screwworm cases were confirmed in neighboring states.

Credibility 72% Manip. 5% Center
June 08, 2026
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USDA reports two additional screwworm cases in Texas cattle and dog
USDA reports two additional screwworm cases in Texas cattle and dog

AP News • 08 Jun 17:07

The U.S. Department of Agriculture confirmed two new infestations of the flesh-eating screwworm fly in Texas, bringing the state total to four cases and prompting renewed eradication efforts.

Credibility 90% Manip. 10% Center
June 07, 2026
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U.S. Initiates New Sterile‑Fly Program as Screwworm Returns to Texas
U.S. Initiates New Sterile‑Fly Program as Screwworm Returns to Texas

NBC News • 07 Jun 10:00

A Texas calf infected with the New World screwworm marks the first U.S. case since 1982, prompting the USDA to allocate $750 million for a new sterile‑fly facility to prevent a wider outbreak.

Credibility 90% Manip. 10% Center
June 04, 2026
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First New World Screwworm Case in the US in Six Decades
First New World Screwworm Case in the US in Six Decades

BBC • 04 Jun 03:45

The New World Screwworm has been detected in Texas, marking the first case in the United States since 1966. The discovery has raised concerns about potential impacts on livestock and beef production.

Credibility 90% Manip. 5% Center
New World screwworm identified in Texas calf prompts USDA action
New World screwworm identified in Texas calf prompts USDA action

CBS News • 04 Jun 02:00

The USDA has confirmed the presence of a New World screwworm in a calf in Zavala County, Texas, initiating immediate eradication efforts.

Credibility 90% Manip. 5% Center