Washington DC, March 21 -- Scientists found that frequently used flu antivirals do not work well against the H5N1 avian influenza virus in cows' milk.

Existing antivirals may be less effective against this H5N1 bird flu strain, and prevention measures, such as avoiding raw milk consumption and reducing exposure in dairy workers, maybe the most effective way to protect against the virus.

As the H5N1 avian influenza outbreak continues in the United States, scientists are working to better understand the virus's threat to human health.

The virus has been found in dairy cows' milk and has infected farm workers, prompting scientists at St. Jude Children's Research Hospital to study potential treatments.

Results showed that in a preclinical...