cattle

So far, all nine cases reported nationally this year at dairy and poultry farms have been mild, consisting of respiratory symptoms and eye irritation.

The worker, who had direct contact with infected cows, experienced an eye infection and has since recovered after receiving antiviral treatment.

Experts fear human exposure to the virus can cause it to adapt and spread among humans and create a pandemic. For now, the risk is low.

Pigs and goats likely catch it too. It's been found in humans' noses in the Southwest — and in the air at airports and at chicken farms in Malaysia.

Florida officials are investigating an apparent increase in cattle deaths across the state, with investigators focusing on one particular brand of…