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Poliovirus case
May 26 , 2022
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- Mozambique has identified its first case of wild poliovirus Type 1 after a child contracted the disease.
- It is the country’s first such case since 1992.
- It is the second imported case of wild poliovirus in Southern Africa this year.
- As of today, wild poliovirus is endemic only in Afghanistan and Pakistan.
- There are three variants of the poliovirus, numbered 1 to 3.
- For a country to be declared polio-free, the wild transmission of all three kinds has to be stopped.
- For eradication, cases of both wild and vaccine-derived polio infection have to be reduced to zero.
- India was declared polio-free in January 2014, after three years of zero cases.
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