ABSA International
ABSA International

Resources with keywords: highly pathogenic avian influenza



Highly Pathogenic Avian Influenza A(H5N1) Virus Infection in a Child with No Known Exposure — San Francisco, California, December 2024–January 2025
CDC / MMWR
4 September 2025

Tobolowsky FA, Morris E, Castro L, et al.
Although antibodies against influenza A(H5N1) were detected in the index patient, serologic testing of a convenience sample of nine close contacts identified no detectable A(H5)-specific antibodies. Despite an extensive investigation, the infection source remains unknown; no human-to-human transmission was identified among close contacts by rRT-PCR and serologic testing.

Detection of Highly Pathogenic Avian Influenza (H5N1) in Dairy Herds: Frequently Asked Questions
USDA APHIS

APHIS is maintaining resources, including a list of detections in cattle to date as well as biosecurity information for farmers, veterinarians and farmworkers.

Updates on Highly Pathogenic Avian Influenza (HPAI)
FDA

Discusses the FDA current position on pasteurization of milk and the liklihood of infectious virus being present post-pasteurization.

Highly Pathogenic Avian Influenza (HPAI) Detections in Livestock
USDA APHIS

Covers biosecurity, handling and testing guidance for producers, veterinarians, and state animal health officials.

1 in 5 US retail milk samples test positive for H5N1 avian flu fragments
CIDRAP
25 April 2024
Highly Pathogenic Avian Influenza A(H5N1) Virus: Identification of Human Infection and Recommendations for Investigations and Response
CDC Health Alert Network (HAN)
5 April 2024

This Health Advisory also includes a summary of interim CDC recommendations for preventing, monitoring, and conducting public health investigations of potential human infections with HPAI A(H5N1) virus.

Highly Pathogenic Avian Influenza A (H5N1) Virus Infection Reported in a Person in the U.S.
CDC Newsroom Release
1 April 2024

Describes the case of a person who had exposure to dairy cattle in Texas presumed to be infected with HPAI A(H5N1) viruses.

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