The models suggest that high levels of humidity favored the rapid spread of influenza in the tropical states that led to the early summer wave. (sciencedaily.com)
Late fall and early winter also signal the start of annual spread of the influenza virus. (sciencedaily.com)
After that, Grais squeezed in a postdoc on the spatial spread of influenza at the Fogarty International Center (part of the U.S. National Institutes of Health) in collaboration with the French National Institute for Health and Medical Research. (sciencemag.org)