The risk of type 2 oral polio vaccine use in post-cessation outbreak response

Wild type 2 poliovirus was last observed in 1999. The Sabin-strain oral polio vaccine type 2 (OPV2) was critical to eradication, but it is known to revert to a neurovirulent phenotype, causing vaccine-associat...
Source: BMC Medicine - Category: Internal Medicine Authors: Tags: Research article Source Type: research