First exposure to influenza virus dictates our lifelong ability to fight flu

First exposure to influenza virus dictates our lifelong ability to fight flu

First exposure to influenza virus dictates our lifelong ability to fight flu

Were you born in an H1N1 year or an H3N2 year? The first type of influenza virus we are exposed to in early childhood dictates our ability to fight the flu for the rest of our lives, according to a new study from a team of infectious disease researchers at McMaster University and Université de Montréal.