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https://www.sciencemag.org/news/2021/02/unprotected-african-health-workers-die-rich-countries-buy-covid-19-vaccines:

The overall aim is to vaccinate about 35% of the population in African countries before the end of the year and then another 25% next year, Nkengasong says. sciencemag.org/news/2021/02/unprotected-african-health-workers-die-rich-countries-buy-covid-19-vaccines

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