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WHO Chief Has Warned of ‘More Deadly’ Disease That Can Be a Threat to Humanity
Covid-19 posed unprecedented challenges before the world, and caused thousands of fatalities. Scientists scrambled to create a vaccine to take on the virus that spread quickly since its outbreak in 2019.
Covid-19 posed unprecedented challenges before the world, and caused thousands of fatalities. Scientists scrambled to create a vaccine to take on the virus that spread quickly since its outbreak in 2019.
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