Nigeria and Chad are Muslim majority country, not someplace a Jew can go. Niger is almost 100% Muslim. Israel is interesting: They use both IPV and OPV - IPV t

Nigeria and Chad are Muslim majority country, not someplace a Jew can go. Niger is almost 100% Muslim. Israel is interesting: They use both IPV and OPV - IPV to prevent vaccine drived Polio, and OPV to ensure Polio eradication which IPV can't do.