Enlarge Image Power tool. An antibody called F16, seen here attached to an influenza virus protein, protected animals against a range of flu viruses. Credit: D. Corti and A. Lanzavecchia, Annu. Rev. Immunol. 31 (2013) In 2009, a global collaboration of scientists, public health agencies, and companies raced to make a vaccine against a pandemic influenza virus, but most of it wasn't ready until the pandemic had peaked. Now, researchers have come up with an alternative, faster strategy for when a pandemic influenza virus surfaces: Just squirt genes for the protective antibodies into people's noses. The method—which borrows ideas...