title: EFFECTIVENESS OF POLYVALENT INFLUENZA VACCINE IN PREGNANCY. REPORT OF A CONTROLLED STUDY DURING AN OUTBREAK OF ASIAN INFLUENZA.
mesh_terms: D003168:Complement Fixation Tests; D004196:Disease Outbreaks; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007252:Influenza Vaccines; D007251:Influenza, Human; D008431:Maternal-Fetal Exchange; D010414:Pennsylvania; D011247:Pregnancy; D013223:Statistics as Topic; D014611:Vaccination
chemical_list: D007252:Influenza Vaccines
keywords: COMPLEMENT FIXATION TESTS; INFANT, NEWBORN; INFLUENZA, ASIAN; MATERNAL-FETAL EXCHANGE; PENNSYLVANIA; PREGNANCY; STATISTICS; VACCINATION