Imagine getting your flu vaccine as a pill, in the mail. Or imagine getting just one shot that would protect you against all of the different flu strains out there. Either way, it could mean an end to the yearly fall search for a fresh flu vaccine.
Neither advance is coming to a drugstore or clinic any time soon. But a series of new studies out this week shows solid progress toward a flu vaccine in a pill and a so-called universal flu vaccine that would protect against the virus even as it constantly mutates.
California-based Vaxart Inc. is working on pill-based vaccines and found one of their flu vaccine formulas seems to stimulate a good immune response in people.