H5N1-infected cow milk can transmit virus, flash pasteurization questioned
CNN — May 24, 2024, 03:00 PM UTC
Summary: Lab experiments confirm H5N1 bird flu in raw milk from infected cows. Refrigeration doesn't significantly reduce virus levels. Vat pasteurization at 63°C for 5-30 mins eliminates the virus, while flash pasteurization at 72°C for 15-20 secs reduces but doesn't fully inactivate it. FDA found H5N1 genetic material in 1 in 5 milk samples. CDC advises against consuming raw milk. H5N1 found in 58 dairy herds in 9 states.
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