Research gives more reassurance that milk pasteurization kills bird flu, officials say

FILE - Thermometers are seen atop a small-scale pasteurizer in Plainfield, Vt., on March 13, 2012. On Friday, June 28, 2024, U.S. officials said a new study provides reassurance that pasteurization kills bird flu virus in cow's milk. – A new study that recreated commercial pasteurization in a government lab provides reassurance that heat treatment kills bird flu virus in cow’s milk, U.S. officials said Friday.

The new study was done at a federal research center in Athens, Georgia, using custom equipment that tried to more completely recreate commercial pasteurization. It also allowed sampling at different stages in the process. The milk goes through several heating steps before being flash-heated, and the study found the virus was inactivated even before it hit the 161-degree, 15-or-more-seconds “flash pasteurization” stage that is considered the key step in making milk safe.

“This information really fills an important gap in our understanding of how commercial pasteurization inactivates the virus,” Prater said.The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Science and Educational Media Group. The AP is solely responsible for all content.

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