How fast is bird flu spreading in US cows? ‘We have no idea’

Avian flu is spreading rapidly among cattle, but public health and infectious disease experts are concerned the United States is too limited in its testing, leaving an incomplete picture of the virus’s spread.  

The threat to the general public is currently low, health officials say, and the country’s milk supply is safe. Just one person has been infected. ...

But the outbreak is widespread; officials have found the virus in 42 herds across nine states. Dairy farm workers are at risk every time they are exposed to potentially infected cattle, and viral mutations could cause an outbreak, experts warn.  

...

KP.2 is now the dominant COVID variant. Experts say US may see a summer increase in cases A new offshoot of omicron, KP.2, has become the dominant variant in the U.S. Experts are predicting the country may see a mild "swell" of cases this summer. ABC News ABC News

...

Over the past four years, the U.S. has seen summer waves of COVID and this summer may also bring a rise in cases, but not severe as in past seasons.

...

Will your last COVID vaccine work against new ‘FLiRT’ variants?

...Both FLiRT variants are considered very similar to JN.1, health officials say, with early data suggesting only a couple of changes in their spike proteins.

...

However, because the FLiRT variants are relatively new, there isn’t enough data to show whether the vaccine or immunity from a recent case of COVID will provide effective protection against them.

...