During a call with U.S. doctors this month, one CDC official noted that there is a seasonality to bird flu: Cases peak in the ...

"After 28 days, if there are no new cases from then on, Brazil can declare itself free of the disease," he said, adding that ...

"Infections among mammalian species in frequent contact with humans should be closely monitored," the researchers wrote ...

The first death caused by H5N1 bird flu was reported in January 2025. Some believe the virus could eventually pose a ...

Detections of H5N1 avian influenza have slowed in both animals and humans, but continued surveillance is warranted, CDC researchers said. In dairy cattle, cases ... new subtype," Lawler said. "2.3 ...

Rasmussen told us it's not just the number of human cases that is alarming, but that the virus is jumping to more mammals. Every new spillover ... to the H5N1 bird flu outbreak. Colorado vet ...

Scientists have been keeping an eye on bird flu ever since it was ... As for human cases, "in the U.S., there has been almost no reporting of new cases," virologist Angela Rasmussen told Salon.