STUDIES ON THE HERD IMMUNITY OF SCHOOL CHILDREN AGAINST DIPHTHERIA. II. DISTRIBUTION OF ANTITOXIN IN BLOOD SERUM AND SCHICK NEGATIVE RATE OF SCHOOL CHILDREN TWO YEARS AFTER SERIAL BOOSTER OF DIPHTHERIA TOXOID.
D000992:Antitoxins; D002648:Child; D004165:Diphtheria; D004166:Diphtheria Antitoxin; D004168:Diphtheria Toxoid; D006801:Humans; D032521:Immunity, Herd; D007114:Immunization; D007564:Japan; D008403:Mass Screening; D044967:Serum
D000992:Antitoxins; D004166:Diphtheria Antitoxin; D004168:Diphtheria Toxoid
CHILD; DIPHTHERIA ANTITOXIN; DIPHTHERIA TOXOID; JAPAN; MASS SCREENING