The· Pfizer-BioNTech And Modana The coronavirus vaccine is 94% effective in preventing symptomatological Covid-19 disease. New research Of more than 1,800 healthcare professionals in the United States
The study, published Friday by the Centers for Disease Control and Prevention, provides even more evidence that vaccines are working well outside of controlled clinical trials.
“This report provided the most compelling information to date that the Covid-19 vaccine was working as expected in the real world,” said CDC Director Dr. Rochelle Warrensky. In the statement on Friday.
“This study was added to many previous studies and was crucial for the CDC to change its recommendations for people who were fully vaccinated against Covid-19.”
The findings are based on an ongoing study of healthcare professionals in 25 states. This interim analysis included data on 1,843 health care workers who were regularly tested for coronavirus infection. Over 80% of the participants were women.
From January to mid-March, about 623 workers tested positive. Researchers have found that fully vaccinated people are 94% less likely to develop symptomatological coronavirus infections than their unvaccinated peers.statistics Consistent With efficacy Estimated from clinical trials.
Scientists have also found that a single dose of a two-shot regimen is 82% effective in preventing symptomatological infections.That number is Higher than reported Other studies may be the result of the relative youth of study participants whose median age was 37-38 years. Less than 2 percent were over 65 years old.
CDC scientist Found before Fully vaccinated health care, frontline, and essential workers are 90% less likely to be infected with the coronavirus. These findings helped alleviate the fear that vaccinated people could carry the virus, even asymptomatically, and spread it to others.
This concern was one of the main reasons for asking vaccinated Americans to continue wearing masks, and was a recommendation lifted by the CDC on Thursday.
Pfizer and Modana shots are powerfully effective against Covid, the analysis says.
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