The solution is the same for all polio outbreaks: immunize every child several times with the oralvaccine to stop polio transmission, regardless of the origin of the virus.
Lactobacillus casei 393 was selected as oralvaccine carrier for the expression of porcine parvovirus (PPV) major immune protective antigen VP2 protein and immune character was analyzed.
研究以干酪乳杆菌作为传递抗原活载体表达猪细小病毒主要免疫保护性抗原VP2蛋白的免疫特性。
3
GACVS was informed of the programme's decision to stop oral polio vaccine use after certification of eradication in light of the adverse effects associated with its long-term use.