VIRUS MUTATIONS

Surprisingly, the flu vaccine from last year kept protecting people even as a new version of the H3N2 virus started spreading. Public health experts had worried the shot wouldn’t fight off these slightly changed viruses. But in adults, the protection stayed strong, according to new findings. This is

Flu season is back, and it's looking like it might be a rough one. The virus has changed a lot, making it harder for our bodies to fight it off. This means more people could get sick, and those who are more at risk might get really sick or even need to go to the hospital. The flu virus is a tricky