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513 バイト追加 、 2021年5月30日 (日) 16:48
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==poliovirus==
*family ''Picornaviridae'', genus ''Enterovirus''
**in recent 12 months no local transmission in Southeast Asia
*cVDPV3 is not identified so far
 
*VDPV is relatively physically stable in environment but cannot keep infectivity not for long time, thus continuous detection of VDPV in enviromnent means continuous transmission and/or excretion of VDPV from people living in the community
*distribution of breech (disinfectant) and/or irradication ultraviolet light may be effective against PV/VDPV
*threshold of immunization coverage to maintain PV/VDPV free is 85-90%
==Global Polio Eradication
**⇔Variola cases and true smallpox infection overlapped almost identically
 
*novel OPV2
**using genetically modified stain
**more stabilized genomically
==clinical==

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