The UK is now undertaking a trial combing mixed shots in the two-dose vaccine schedule. /CFP As countries are scrambling for vaccines to protect their citizens from COVID-19, vaccine shortages
On August 1, 2018, the Democratic Republic of the Congo declared its 10th Ebola outbreak. By far, it was the largest Ebola outbreak in the country, with 3,304 confirmed cases and 2,244 deaths as of J
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