Poliomyelitis in 1953.
D000349:Africa; D000354:Africa, Western; D000569:Americas; D000810:Angola; D001208:Asia; D001938:Brazil; D002050:Burkina Faso; D002160:Cambodia; D002170:Canada; D002677:Chile; D003462:Cuba; D003718:Denmark; D004534:Egypt; D004544:El Salvador; D005060:Europe; D005602:France; D005858:Germany; D006116:Greenland; D006801:Humans; D007194:India; D007557:Israel; D007558:Italy; D007630:Kenya; D007861:Lebanon; D008800:Mexico; D009426:Netherlands; D009520:New Zealand; D009527:Nicaragua; D009664:Norway; D010679:Philippines; D011051:Poliomyelitis / Q000453:epidemiology*; D017955:Poliovirus; D012432:Rwanda; D013019:South Africa; D013030:Spain; D013188:Sri Lanka; D013557:Switzerland; D013636:Tanzania; D013785:Thailand; D014421:Turkey; D014454:Uganda; D006113:United Kingdom; D014481:United States; D015030:Zimbabwe
POLIOMYELITIS/epidemiology