Every early March, WHO experts, FDA health representatives and biotech scientists gather somewhere in Maryland to debate what influenza strains are better to use in manufacturing next season’s flu vaccine. CDC officials said that the whole move is an annual guessing game, and this year’s vaccine was an unlucky shot.
“We’ll do the best we can. But “the virus is smarter than we are at this point. I don’t know of any disease that plagues us more. It’s very, very frustrating and a very inexact science. . . . We do it with varying luck, and I think the luck is mostly the virus’s whim,”