American officials decided to remove about 60 million doses of Vacicne Covid-19 of Johnson & Johnson because they could be contaminated during the production process.
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Guangzhou officials of China apply to a series of limited measures with business and social activities to control NCOV spread.
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WHO said the risk of vaccine lacks in June and July could reduce the effectiveness of the Covax program, in the context of Covid-19, more than 3.7 million people died.
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World Health Organization Approving Vaccine Covid 19 of Chinese Pharmaceutical Sinopharm for use in emergencies.
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US health authorities have distributed nearly 313 million Covid-19 Vaccine, of which nearly 105 million people have been injected with two noses.
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