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, may be the most effective way to protect against the virus.

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, may be the most effective way to protect against the virus.