ZMYND10 and influenza: A total of 3,679 swabs were taken in those over 65 years and older over influenza seasons 2010/11–2016/17, with 2,096 swabs used in the final analysis: of these 1,702 were controls; 101 were flu B, 57 were A(H1N1)pdm09, 215 were A(H3N2) and 21 A non-subtyped.