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The New England Journal published a newsletter article on the investigation of the infection status of California medical staff after being vaccinated with SARS-CoV-2 .
New England Journal of Infection
As of November 2020, data from the third phase of clinical trials of mRNA vaccines show that 14 days after the second dose of mRNA-1273 vaccine (Moderna), the effective rate of preventing symptomatic SARS-CoV-2 infection is 94.
Prevention of COVID-19 FDA
Since the start of the vaccination campaign, there have been reports of new coronary pneumonia among people who received one or two doses of the vaccine .
Infected with new coronary pneumonia
From December 16, 2020 to February 9, 2021, a total of 36,659 medical staff received the first dose of vaccine, of which 28,184 (77%) received the second dose.
The absolute risk of testing positive for SARS-CoV-2 after vaccination is 1.
The agency conducts regular tests on asymptomatic and symptomatic people.
The effectiveness of the vaccine remains unchanged outside the test environment.
ncbi.
ncbi.
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