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赢钱万博

时间:2021-03-04

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赢钱万博com website.赢钱万博Since the vaccine requires two doses, that’s enough to immunize 20 million people.赢钱万博The first doses will arrive within days from the company’s manufacturing site in Puurs, Belgium, the company said in a news release.赢钱万博The vaccine uses messenger RNA, or mRNA, to deliver instructions to human cells for building one of the coronavirus’s proteins.。赢钱万博。赢钱万博Once cells begin making the protein, the immune system builds antibodies and other defenses that stop future invasions of the virus from making people ill.赢钱万博The vaccine must be stored at –70° Celsius to remain effective, so requires special shipping and storage conditions that could make its roll-out more challenging than for traditional vaccines, which need only refrigeration (SN: 11/20/20).赢钱万博Sign Up For the Latest from Science NewsHeadlines and summaries of the latest Science News articles, delivered to your inboxOxford, AstraZeneca say COVID-19 vaccine up to 90 percent effective | Science News

赢钱万博The vaccine uses messenger RNA, or mRNA, to deliver instructions to human cells for building one of the coronavirus’s proteins.。赢钱万博。赢钱万博Once cells begin making the protein, the immune system builds antibodies and other defenses that stop future invasions of the virus from making people ill.

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