US officials warn dairy workers amid bird flu spread in cows: 'Use protection'

US officials warn dairy workers amid bird flu spread in cows: ‘Use protection’ Dairy workers urged to take precautions against H5N1 bird flu US health officials have warned that dairy workers are still vulnerable to the H5N1 bird flu spreading among cows and should take precautions to avoid infection. They cited a case where a dairy worker experienced an eye infection and underwent genetic testing, confirming the presence of the virus, according to a letter to the New England Journal …