[The reactive and immunogenic properties and epidemiological effectiveness of further attenuated influenza virus vaccinal strains (observed in preschool children)].
D000917:Antibody Formation; D002648:Child; D002675:Child, Preschool; D006801:Humans; D066298:In Vitro Techniques; D007223:Infant; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000517:prevention & control*
D007252:Influenza Vaccines
Reaktogennye i immunogennye svoĭstva i épidemiologicheskaia éffektivnost' dopolnitel'no oslablennykh vaktsinnykh shtammov virusa grippa (nabliudeniia nad det'mi doshkol'nogo vozrasta)