[Vaccine Target] Polio 1,606 [13] [Worldwide deaths (2004)[11]] Unknown [Chile] OPV [Cuba] OPV [USA] IPV [UK] IPV [Finland] IPV [Germany] IPV [Saudi Arabia] IPV, OPV [Ethiopia] OPV [Botswana] OPV [India] OPV [Australia] IPV [China] OPV [Japan] OPV [Transmission] 
Fecal-oral
S a l i v a
A i r b o r n e d r o p l e t
P e n e t r a t i n g i n j u r y
B o d i l y f l u i d s
A i r b o r n e
F e c a l - o r a l
S e x u a l c o n t a c t
M o s q u i t o
T i c k