Impact and Effectiveness of Monovalent Rotavirus Vaccine in Armenian Children. - Sahakyan G; Grigoryan S; Wasley A; Mosina L; Sargsyan S; Asoyan A; Gevorgyan Z; Kocharyan K; Avagyan T; Lopman B; Vanyan A; Khactatryan S; et al. (Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 2016)