Neurological

Real-world study shows the power of Pfizer, Moderna vaccines to prevent COVID-19

Subjects ” General neurology

HealthDay News – A real-world study shows that even when people receiving the Pfizer and Moderna COVID-19 vaccines have “breakthrough infections”, those diseases are mild.

The study by researchers from the U.S. Centers for Disease Control and Prevention is one of the first to show that people who receive COVID-19, despite being fully or partially vaccinated, are less likely to have serious illnesses or infect others .

The new results were extracted from four weeks of additional data collected in a CDC study of U.S. health workers, first responders, frontline workers, and other key personnel. All of these people are at a higher risk of being exposed to the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The analysis included nearly 4,000 participants who completed weekly SARS-CoV-2 tests at eight locations across the United States for 17 weeks (December 13, 2020 to April 10, 2021).

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The researchers found that the risk of symptomatic and asymptomatic infection was reduced by 81 percent after a partial vaccination and by 91 percent after a full vaccination. In addition, among those who became infected, those who were partially or fully vaccinated were more likely to develop a milder and shorter illness than those who were not vaccinated.

Investigators also found that vaccinated people who develop COVID-19 may be less likely to infect others. Fully or partially vaccinated people had 40 percent fewer detectable viruses in their noses, and the virus was detected six days less than those who were not vaccinated. People who were partially or fully vaccinated were 66 percent less likely to test positive for SARS-CoV-2 infection for more than a week than those who were not.

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COVID19 COVID19 Vaccine General Infectious Diseases General Neurology

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