Journal
CLINICAL INFECTIOUS DISEASES
Volume 75, Issue SUPPL 1, Pages S136-S140Publisher
OXFORD UNIV PRESS INC
DOI: 10.1093/cid/ciac401
Keywords
SARS-CoV-2; Africa; burden; vaccines
Categories
Funding
- Precision Vaccine Programme
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The burden of severe Covid-19 has been relatively low in sub-Saharan Africa, but sero-prevalence data suggests wider transmission. Previous exposure to SARS-CoV-2 provides protection against reinfection and vaccination induces robust antibody responses.
The burden of severe Covid-19 has been relatively low in sib-Saharan Africa compared to Europe and the Americas. However, SARS-CoV-2 sero-prevalence data has demonstrated that there has been more widespread transmission than can be deduced from reported cases. This could be attributed to under reporting due to low testing capacity or high numbers of asymptomatic SARS-CoV-2 infection in communities. Recent data indicates that prior SARS-CoV-2 exposure is protective against reinfection and that vaccination of previously SARS-CoV-2 infected individuals induces robust cross-reactive antibody responses. Considering these data, calls for a need for a re-think of the COVID-19 vaccination strategy in sub-Saharan African settings with high SARSCoV-2 population exposure but limited available vaccine doses. A potential recommendation would be to prioritize rapid and widespread vaccination of the first dose, while waiting for more vaccines to become available.
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