Virologists report what appears to be a second-generation BA.2 lineage Omicron virus with many spike protein mutations.
For the first time, Argentina confirms H5 avian flu in mammals; also, Russia reports H5N1 at a large poultry farm.
With 2 more detections, the USDA has now reported 200 mammals infected with the H5N1 strain.
HHS launches the Office of Long COVID Research and Practice, and the State Department launches the Bureau of Global Health Security and Diplomacy.
In other developments, South Korea reported H5N1 in cats at a second shelter and Northern Ireland reported the virus in foxes.
The new outbreak facilities produce foxes, mixed-breed foxes, mink, and raccoon dogs.
As Finland reported more fur farm outbreaks, Norway reported H5N1 in a fox and Germany detected the virus in a seal.
An investigation is underway into the source of the virus, as health officials continue monitoring human contacts and other animal facilities.
The latest H5N6 case is China's fourth of the year.
The CDC said the risk of the virus passing from cats to people is small but possible, and they urged owners to monitor their pets' health.