Early childhood ‘imprinting’ influences infection with seasonal viruses

MISMS researchers show that birth year-specific differences in childhood immune imprinting explain why adults tend to be infected with H3N2 seasonal viruses while H1N1 mainly infects children in a study published in PLoS Pathogens: ‘Childhood immune imprinting to influenza A shapes birth year-specific risk during seasonal H1N1 and H3N2 epidemics‘.