Brazilian health regulators said Tuesday they had approved Johnson & Johnson’s experimental vaccine against the new coronavirus for the final stage of clinical trials, the fourth vaccine to receive widespread testing in the hard-hit country. The US pharmaceutical company’s...
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A federal research institute in the US says it is developing a strain of the new coronavirus, which could one day be deliberately..
Russia on Tuesday became the first country in the world to register a Covid-19 vaccine jointly developed by the Gamaleya Research..
NEW DELHI — India recorded the steepest spike of 57,118 new cases in the past 24 hours, taking its coronavirus caseload close to..