The CDC advised workers to use protective equipment if they may be exposed to sick livestock after a Texas dairy worker tested positive for bird flu, but many have not received any.
As bird flu continues to spread among cattle in the U.S., the CDC and WebMD joined forces on Thursday to present a live-streamed briefing on the status of the outbreak.
A case of mad cow disease was detected in the United Kingdom for the first time in two years. Chief Veterinary Officer Sheila Voas said the isolated case presents minimal risk.