House cat possibly source of H5N1 infection in humans

The case is part of a study involving 139 individuals who had contact between November 2024 and January 2025 with nineteen cats that had become seriously ill after consuming raw milk, raw poultry, or raw animal feed. Nine cats tested positive for H5N1. Although no human PCR-positive cases were found during the monitoring, one veterinary staff member was later found to have a positive antibody response to H5N1. Since no other risk factors were present, researchers consider transmission from cats to humans likely. Follow the latest developments regarding avian influenza on our theme page The researchers emphasize that the risk for humans remains low, but they advise veterinarians to use appropriate personal protective equipment when dealing with cats showing acute respiratory problems or neurological symptoms, especially when exposed to raw animal products.

The case is part of a study involving 139 people who had contact with nineteen cats that had become seriously ill after consuming raw milk, raw poultry, or raw animal feed between November 2024 and January 2025. Nine cats tested positive for H5N1. Although no human PCR-positive cases were found during the monitoring, one veterinary staff member was later found to have a positive antibody response to H5N1. Since no other risk factors were present, researchers consider transmission from cats to humans likely. Follow the latest developments regarding bird flu on our dedicated page The researchers emphasize that the risk for humans ...