British pharmaceutical giant AstraZeneca said Thursday that a third, or "booster", dose of its COVID-19 vaccine Vaxzevria "significantly" lifted antibody levels against the Omicron strain in a laboratory study.
Dec 23, 2021
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Chile on Wednesday became the latest country to give emergency approval to China's CoronaVac vaccine as it battles the coronavirus epidemic which has claimed more than 17,500 lives in the country to date.
Jan 20, 2021
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A smallpox vaccine shown to protect against monkeypox has come under huge global demand, leading health authorities to warn against repeating the unequal distribution seen during the COVID pandemic.
Aug 3, 2022
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Although more than four billion doses of anti-COVID vaccines have been administered around the world, poorer countries are still struggling to secure precious shots despite recent donations.
Jul 29, 2021
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With coronavirus cases still climbing, Honduras got tired of waiting to get vaccines through a United Nations program, so the small Central American country struck out on its own, securing the shots through a private deal.
Feb 6, 2021
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Watching from afar as much of the world was brought to its knees by the coronavirus, African scientists, engineers and innovators have turned to homegrown solutions to prepare for the worst case scenario.
May 19, 2020
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The head of the World Health Organization said the COVID-19 delta variant, first seen in India, is "the most transmissible of the variants identified so far," and warned it is now spreading in at least 85 countries.
Jun 25, 2021
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The nearly 1 million people around the world who have lost their lives to COVID-19 have left us a gift: Through desperate efforts to save their lives, scientists now better understand how to treat and prevent the disease—and ...
Sep 27, 2020
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Why are COVID-19 vaccination rates still low in some countries?
Mar 3, 2022
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The World Health Organization (WHO) has called antibiotic resistance "one of the biggest threats to global health, food security, and development".
Nov 17, 2021
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