...t of Epidemiology Public Health College of Harbin Medical University 4 Edward Salk 脊髓灰质炎疫苗(poliomyelitis vaccine)现场试验 (1955)-美国+加拿大 疫苗组(vaccine)安慰奖200,745 人,安慰剂组(placebo)201,229 人 保护率(Protective rate):60-9...
Oral live poliomyelitisvaccine is the most effective means in preventing poliomyelitis. Full cresm milk powder is the main appendix in producing Oral Live PoliomyelitisVaccine Dragée (OPV D).