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、 2021年4月21日 (水) 10:46
==poliovirus==
*3 serotypes
**wPV2 already eradicated in 2015
**wPV3 was declared to be eradicated in 17 October 2019 by WHO
**wPV1 is still circulating in Pakistan and Afghanistan
*African region was certified as wild polio-free in 2020 by WHO
==VDPV==
*cVDPV1 and cVDPV2 are endemic in Africa and Southeast Asia as well as in Pakistan and Afghanistan
*cVDPV3 is not identified so far