The scientists examined the behavioral and cognitive traits of cattle that work as therapy animals.
A nasal swab of the farm worker tested negative, but an eye swab tested negative.
The H5N1 subvariant of bird flu has been increasingly reported in cattle in recent months.
Analyses of viruses found in the cows have so far not found any changes affiliated with transmission between people.
The CDC stressed that the overall human health risk of the bird flu remains low.
Unlike poultry, the cattle do not need to be culled and are expected to make a full recovery.
Be kind to your cows: Dairy cattle can be helped to relax with positive reinforcement, be happier, and produce more milk.
A brown cow from the south of Brazil has made history as the first transgenic cow capable of producing human insulin in her milk. The advancement could herald a new era in insulin production.
The MV Bahijah sailed from Australia for Israel on January 5 but abandoned passage through the Red Sea due to threat of attack by Houthis and was ordered home by the Australian government.
"The high transmission rate between the Palestinian Authority and Israel suggests that preventing Foot and Mouth Disease in both areas is of high interest for both of them.”