Ce dimanche 27 ans, l'université d'Oxford a déclaré le début de l'injection des volontaires avec un vaccin développé avec AstraZeneca contre le variant ...
Two-shot vaccine developed jointly between British university and British-Swedish drugmaker under scrutiny over possible links to blood clots
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Close relatives of the virus causing the pandemic have cropped up in Thailand and Cambodia, raising the odds of an origin outside of China
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South Africa, India have led an effort at World Trade Organization to waive drug companies' exclusive rights to manufacture their vaccines during the pandemic
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The country recorded the world's highest COVID-19 death toll over the past week, triggering tighter restrictions on Thursday in its most populous state
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Researchers find vaccine roughly as effective against Brazilian variant as it was against other, less contagious versions of virus
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Up to 90 healthy volunteers will be deliberately infected with virus with goal of developing more effective vaccines and treatments
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World Health Organization said UN-led COVAX initiative aims to start shipping about 90 million doses of COVID-19 vaccines to Africa this month
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