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Chinese COVID-19 vaccines are poised to fill gap, but will they work? Read here AP Taipei (Taiwan): With rich countries snapping up supplies of COVID-19 vaccines, some parts of the world may have to rely on Chinese-developed shots to try to conquer the outbreak. The question: Will they work? There is no outward reason to believe they won’t, but China has a history of vaccine scandals, and its drugmakers have revealed little about their final human trials and the more than 1 million emergency-use inoculations they say have been carried out inside the country already. Wealthy na...

Science's COVID-19 reporting is supported by the Pulitzer Center and the Heising-Simons Foundation Beijing-based Sinovac, which makes a COVID-19 vaccine from inactivated virus, has efficacy trials underway in Brazil, Turkey, and Indonesia—but not in China. PHOTO: REUTERS/THOMAS PETER The first people in the world to receive a COVID-19 vaccine were not part of a clinical trial. No TV stations or newspapers covered the historic event. No company issued a statement. On 29 February, less than 2 months after the world awakened to the threat of the new disease, virologist Chen Wei, a major genera...