Vaccine Effectiveness Against Influenza Hospitalization Among Children in the United States, 2015-2016. - Feldstein LR; Ogokeh C; Rha B; Weinberg GA; Staat MA; Selvarangan R; Halasa NB; Englund JA; Boom JA; Azimi PH; Szilagyi PG; McNeal M; et al. (Journal of the Pediatric Infectious Diseases Society, 2021)