After a new study showed that bird flu has spread to dairy farm workers more often than previously known, the US Centers for Disease Control and Prevention is expanding its recommendations for testing and treatment of workers on farms where animals have tested positive.

Blood tests have shown that about 7 per cent of workers on dairy farms that had H5N1 outbreaks had antibodies against the disease

CDC officials said the study suggests asymptomatic workers who engage in jobs that put them at high risk for exposure at poultry and dairy farms might be at heightened risk for infection.

Dairy workers who’ve been exposed to bird flu should be tested for the virus even if they don’t have symptoms and be offered Tamiflu to cut their risk of getting sick, the Centers for Disease Control and Prevention said Thursday. The recommendation ...

Federal health officials are calling for more testing and treatment of workers on farms with bird flu. Federal health officials on Thursday called for more testing of employees on farms with bird flu after a new study showed that some dairy workers had signs of infection, even when they didn't report feeling sick.

Federal health officials on Thursday called for more testing of employees on farms with bird flu after a new study showed that some dairy workers had signs of infection, even when they didn't report feeling sick.

The CDC said Thursday it is updating its recommendations for testing, treatment and protection for workers who may be exposed animals infected with bird flu.

Farm workers who have been exposed to animals with bird flu should be tested for the virus even if they do not have symptoms, the U.S. Centers for Disease Control and Prevention said on Thursday.

Federal officials said Thursday that farmworkers exposed to bird flu should be tested for the virus even if they are not showing any symptoms, especially if they were not wearing the proper personal protective equipment.