[Sero-epidemiological investigations of the effectiveness of influenza vaccine with attenuated live viruses of types A2 and B].
D000293:Adolescent; D000906:Antibodies / Q000032:analysis*; D003168:Complement Fixation Tests; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000517:prevention & control*; D012383:Romania; D014611:Vaccination
D000906:Antibodies; D007252:Influenza Vaccines
Investigaţii sero-epidemiologice privind eficienţa vaccinului antigrapal cu virus viu atenuat, tip A2 şi B.