News & Perspective

Aug 10, 2012

Aug 10, 2012

Study: Children, middle-aged most vulnerable to variant H3N2

(CIDRAP News) – A serologic study from Canada suggests that children and middle-aged adults have little or no immunity to the swine-origin variant H3N2 influenza virus (H3N2v), but about half of adolescents and young adults have some degree of immunity as measured by antibody levels.