adverse

CDC CONFIRMS six people have suffered adverse reactions to COVID vaccine

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US health officials closely tracking possible side effects of the first authorized COVID-19 vaccine said on Saturday they have seen at least six cases of severe allergic reactions out of more than a quarter million shots given – prompting one Illinois hospital to pause vaccinations. Medical experts said that a chemical called polyethylene glycol (PEG), a … Read more

Brazil halts trials of Chinese Covid-19 vaccine after ‘serious adverse incident’ involving volunteer

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Brazil has suspended clinical trials of a Chinese-developed Covid-19 vaccine after an ‘adverse incident’ involving a volunteer recipient. The setback for CoronaVac, developed by China’s Sinovac Biotech, came as US pharmaceutical giant Pfizer said its own vaccine candidate had shown 90 per cent effectiveness – sending global markets soaring and raising hopes of an end … Read more