Marguerite Ouangraoua, a nurse at the health clinic in Zeguedessin village on the outskirts of Burkina Faso's capital, Ouagadougou, opens the fridge where the clinic keeps the vaccines, Thursday Oct. 8, 2020. The vaccine cold chain hurdle is just the latest disparity of the pandemic weighted against the poor, who more often live and work in crowded conditions that allow the virus to spread, have little access to medical oxygen vital to COVID-19 treatment, and whose health systems lack labs, supplies or technicians to carry out large-scale testing. (AP Photo/Sam Mednick)
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