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The Delta variant Is ravage of ravages throughout the country:Cases increase In almost all states,Revolutionary infections are reported more and more, and some areas have alreadyReinforced mask mandates. But while health experts, including disease control and prevention centers (CDC) maintain that our vaccines are effective against the Delta variant, new research has already shown that its propagation reduces efficiency - like in a recent study.showing that Johnson & Johnson is significantly less effective in preventing symptomatic infection with the variant. Now, new research has found that the Pfizer vaccine will only work against the delta variant if you do one thing.

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The researchers of the U.K. have sought to determine howCOVID vaccines effective are against the delta variant in a new study, published July 21New England Journal of Medicine. The study analyzed more than 19,000 adolescents and adults on the other from the UK, with researchers estimating the proportion of cases caused by the alternative alternative variant or an alpha variant by sequencing and comparing them to the immunization status of patients .

According to the study, the Pfizer vaccine is less effective against the delta variant if people have not received their second dose. The researchers found that a blow of pfizer is only 36% effective against symptomatic disease when confronted with this variant. "Efficiency after a dose of vaccine was lower than people with Delta variant," confirms the study.

The Pfizer vaccine was significantly more effective for fully vaccinated individuals. With two doses, the vaccine is about 88% effective against symptomatic diseases of the delta variant, according to the study.

"It's clear howImportant the second dose is to protect the highest possible protection against Covid-19 and its variants, "Matt Hancock, the U.K's Secretary of Health and Social Care, which has not been involved in the study, said when a pre-preparation of the study was published in May.

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In the United States, the CDC asks people to get their second dose. "ThePfizer and Moderna vaccines are more efficient, especially when the variant of the delta - given in the form of two shots of a series, "director CDCRochelle Walensky

The CDC says you shouldGet your second shot From the vaccine against Pfizer three weeks after the first, or at least as close as possible to this interval. If you have already been longer than that, the agency now says that you should get the second dose, whatever the time spent.

"We encourage people are vaccinated in Appendix Three or four weeks after your first dose. But if you are beyond this window, I want to reiterate: there is no bad time to get your second shot "said Walensky during the briefing.

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