A member asked:

Why is the oral polio vaccine better than another form?

5 doctors weighed in across 2 answers
Dr. Michael H. T. Sia answered

Specializes in Pediatrics

Opv is better at stopping the spread of the virus to others, but now that wild (natural) polio has been eliminated from the western hemisphere, this advantage is no longer a consideration in the United States. Ipv has been used exclusively in the United States since 2000. However, in other countries where wild polio is still a threat, OPV is still used.

Answered Jun 10, 2014

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Dr. James Ferguson answered

Specializes in Pediatrics

The oral vaccine virus is excreted in the stool of the recipient and helps inoculate some that do not receive the vaccine directly by indirect exposure. The enhanced killed vaccine we use in the US was adopted primarily because of the 2-3 cases of OPV related polio we had/yr in immune compromised kids.Our vaccine is quite effective and has no risk of producing a polio like illness.

Answered May 14, 2017

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