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One dose of Pfizer vaccine reduces symptomatic Covid-19 by 85% after a month, study shows

February 19, 2021. Summarized by summa-bot.

Compression ratio: 20.1%. 2 min read.

A new study provides more evidence that a single dose of coronavirus vaccine might be enough to significantly reduce disease.

People who got a single dose of Pfizer/BioNTech coronavirus vaccine were increasingly less likely to develop Covid-19 symptoms as time passed -- and they were 85% less likely to get sick two to four weeks after getting their first shot, Israeli researchers report.

Although the rise of Covid-19 variants in the United States could spell trouble, pharmaceutical companies and scientists are confident vaccines will evolve with them, senior White House adviser Andy Slavitt told CNN.

The United States reported 69,230 new cases of Covid-19 and 2,542 additional related deaths on Thursday, according to Johns Hopkins University's tally.

At least 73,377,450 vaccine doses have been distributed and 57,737,767 doses have been administered, according to the US Centers for Disease Control and Prevention.

At least 1,549 cases of coronavirus strains first spotted in the United Kingdom, South Africa and Brazil have been reported in the United States, according to data updated Thursday by the US Centers for Disease Control and Prevention.

Many states are not even linking their COVID-19 vaccine allocation plans with the high-risk medical conditions listed by the [Centers for Disease Control and Prevention] —which include pregnancy," Waldorf said.

Many pharmacies told CNN this week that they can receive and administer far more vaccine doses than are arriving so far.

Hy-Vee, a chain of supermarkets in the Midwest, told CNN that having more vaccine doses to administer to the public would be beneficial.

Most doses have been administered in Michigan, where Meijer is both a state and federal vaccine partner.

Walgreens, one of the first pharmacies to begin administering Covid-19 vaccines in December through a separate partnership with long-term care facilities, has administered more than 3 million vaccines as of Monday, with an allotment of 180,000 doses per week through the federal program, company spokesperson Kelli Teno told CNN.

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