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The oral polio vaccine can occasionally revert to an infectious viral form, though this is very uncommon (about...originally used because it is better at stopping early spread of polio , but in most civilized countries this is not really a concern...
7 Answers · Health · 28/09/2006
...2000, there were some polio cases *caused* by the old live virus oral polio vaccine , which was discontinued in the U.S. in 2000). "...
11 Answers · Health · 06/02/2010
The live virus oral polio vaccine (OPV) was on the U.S. childhood vaccine schedule in 1994. http://www.cdc.gov/ vaccines /schedules/images/schedule1994s.jpg
1 Answers · Health · 26/07/2013
i would assume that aids was more prevalent in Africa, because of the lack of education (not as informed) and the lack of protection, the higher poverty rate, and lack of medical resources available.
4 Answers · Health · 28/06/2006
...surgically and for prosthetics. had you given him the doses of oral polio vaccine ? and the booster doses? wherever you are residing, take your...
1 Answers · Health · 05/07/2006