The H5N1 avian flu is circulating in cows and other mammals. Whether it will make a permanent leap to humans is another ...

The company was pleased to report the findings of a late-stage clinical trial of its advanced flu vaccine. Moderna (NASDAQ: ...

Moderna said Wednesday that its experimental mRNA-based seasonal flu vaccine generated a stronger immune response against four strains of the flu virus than a currently marketed vaccine in a Phase ...

When will flu season be over? “I hope before April, but I think only time will tell,” she said. Thierman also said an April timeline seems about right.

Of the 25 children who died from flu, only one was vaccinated, the state health commissioner, Dr. James V. McDonald, noted. Five were too young to be vaccinated, he said in a statement.