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Since the first two Covid vaccines have been approved for the first time six months ago, we have heard about 95%. But what you may not realize is that Pfizer and Moderna mRNA vaccines are 95% effectiveto prevent symptomatic covidation cases, which still leaves a chance of asymptomatic infection and a small margin ofVaccine beneficiaries Who could go down with a symptomatic case. The point of the vaccine, however, is to stopsevereCases and on the basis of the latest data from disease control and prevention centers (CDC), it does its job. According to their conclusions as of April 30, only 1,155 of the 101 million entirely vaccinated people in the United States have descended with a serious or mortal case of COVID, which means 0.001%. However, there is a clearCommunity in those who develop Covid After vaccination.

Based on the research of the CDC, which was published on May 25, 64% of revolutionary infections - the term medical forvaccinated people who are infected-Affre caused by variants of concern. But really, it is a variant in particular: B.1.1.7. which is native to the U.K. and provoked a wave of disastrous disease. According to the CDC, 64% of the revolutionary cases werecaused by variants of concernBut more than half of them were due to B.1.1.7-56% to be accurate. Behind it was the variant of California B.1.429 (25%); the other variant of the California of worry, B.1.427 (8%); the variant of Brazil, p.1 (8%); and the southern Africa variant, B.1.351 (4%).

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Another new medicine study of the University of Washington (UW), also released on May 25, showed that B.1.1.7. The variant is behind the majority of revolutionary cases. Research - which has not yet been examined by peers but has been posted on Medrxiv-involving 20 health workers within the UW hospital system that ended up finishedCOVID After vaccination between February and 2021.

All 20 revolutionary infections were also caused by variations of concern. Of these cases, 40% were caused by the United States variant, B.1.1.7, but another variant was there up there, 40% of cases were caused by the alternative California B. 1.429. The higher ratio in this study compared to CDC data could be because of the spread of this particular variant on the west coast, where it is origin and where the UW medicine is based. The rest of the cases was caused by the other variant of California B.1.427 (10%); the variant of South Africa (5%); and the variant of Brazil (5%).

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"Variants of concern (VOCs) are these strains that showProof of increased transmissibility, a more severe disease, a neutralization reduced by antibodies elucidated by past infection or vaccination, a reduction in the effectiveness of treatment or failures of diagnostic detection, "Medical researchers UW wrote in their study. " Overall, concerns were proportionally surreigned in the breakthrough break. "

Co-author studyPavitra Roychoudhury, PhD, an acting instructor at UW Medicine, "said Reuters:" These infections could lead to theFollowing the propagation of variants of concern, especially in low vaccination areas. "

In early April, variant B.1.1.7 became theDominant coronavirus strain In the United States "These trends emphasize two clear truths", "CDC DirectorRochelle Walensky, MD, told a press briefing at the White House at the time. "One, theThe virus has always been held on us-Infect people and put them in danger - and we must remain vigilant. And two, we must continue to accelerate our vaccination efforts and take individual responsibility to be vaccinated when we can. "

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