The updated vaccines protect against the XFG strain.
The federal government will restart its free at-home COVID tests program in September as officials prepare the country for the upcoming respiratory virus season.
At least 27 states are reporting "very high" levels and 17 states are reporting "high" levels of wastewater viral activity.
It's not goodbye -- viewers can still count on Dr. Ashton to be there when expert medical advice is needed.
There are still multiple steps required before the shot would become available.
It marks the first time he publicly testified since he left the federal government at the end of 2022 after five decades of service.