A "serious adverse event" that led Brazil's health authorities to halt clinical trials of a Chinese-developed Covid-19 vaccine was not related to the vaccine trial itself, the director of Brazil's Butantan biomedical institute said on Tuesday.
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Professor Allan Lichtman, who predicted the last 9 presidential election wins, says Democrats will only have a chance at winning in 2020 if ...
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A selection of powerful images taken around the world this week. from BBC News - Home https://ift.tt/3ftYVyh
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