Bird Flu Virus Detected in Pasteurized Milk During Laboratory Tests

Researchers find small amounts of infectious H5N1 surviving standard pasteurization, raising questions about milk safety protocols.

A study found that small quantities of H5N1 bird flu virus survived pasteurization in lab conditions.
The US FDA maintains that commercial pasteurization processes are effective and milk remains safe to consume.
Raw milk advocates clash with health officials over the safety and benefits of unpasteurized milk.
Scientists are investigating why H5N1 affects some animals severely while sparing others.
US health officials are preparing vaccines and monitoring the virus's potential to mutate and spread among humans.