rs79.vrx.palo-alto.ca.us
1963 Belarus
1968 Poland
1973 USA
1980 Romania
1983 Egypt
2001 Hispaniola
2001 Madagascar
2001 Philippines
2005 Minnisota
2005 Nigeria
2007 Fitzpatrick
2017 Congo
2018 Niger
2018 Nigeria
2018 Papua New Guinea
2018 Somalia
2019 Africa
2019 Pakistan
2020 Sudan-Chad
2025 Summary
current summary
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1963 Belarus
1968 Poland
1973 USA
1980 Romania
1983 Egypt
2001 Hispaniola
2001 Madagascar
2001 Philippines
2005 Minnisota
2005 Nigeria
2007 Fitzpatrick
2017 Congo
2018 Niger
2018 Nigeria
2018 Papua New Guinea
2018 Somalia
2019 Africa
2019 Pakistan
2020 Sudan-Chad
2025 Summary
current summary
recall
SARS
smallpox
tetanus
trials
yellow fever
vit a
who
dns
computers
economics
internet
language
legal
medicine
music
myths
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works
Year
Infections from Wild Type Polio Virus
Vaccine-Derived Cases
1963
~50,000*
5
2024
Data not available
672