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For most of us, one of the few silver places with a brush with Covid this past year was peace of mind once you had it, you can relax at least aboutthe possibility of reinfection. The popular hypothesis has been that once you have antibodies against the disease after fighting, you have some degree of protection. However,A new study that examined COVID reinfection rates revealed that it is much more common than people over 65 are infected with COVID more than once. To learn why older coronavirus patients may be more at risk, read it and for more information on the last part of the virus fight, checkThe CDC has just given this new warning on your second shot Covid..

For the new study, which has been published in the medical newspaperThe lancet, a team of scientists from Denmark's Denmark and Infectious Disease Prevention of Denmark reviewed the reinfection rate between 4 million Danish at the second OPVID-19 surge of September 20 at the end of December 20, 2020 . Although there have been few reinfection bodies, the numbers have biased strongly by age: young people seemed to have about 80% of reinfection protection, but that this number has fallen sharply to 47% among those older than 65 years old.

"Our study confirms how many others seemed to suggest: Reinfection with COVID-19 is rare in younger and healthy people, but theThe elderly are more dangerous to catch it again, "AuthorSteen Ethelberg, PhD, from Stateens Serum Institute of Denmark stated in a statement. "Since the elderly are also more likely to provide serious symptoms of diseases and to die, unfortunately, our results clearly specify how important it is to implement policies to protect seniors during the pandemic."

And for more warning signs for people in this age support, checkIf you have more than 65 years, you can miss this symptom of Covid..

The conclusions prove that vaccination strategies prioritizing the elderly were the right appeal. "The analysis also suggests that people who have had the virus should always be vaccinated, as a natural protection, especially for the elderly - can not be invoked"The lancet said in a press release Wednesday.

"It's a very narrow difference"Amy Edwards, MD, a specialist in infectious diseases of university hospitals in Cleveland who did not participate in the study, told CNN results. "I think that really emphasizes how important it is toMake sure we are vaccinating everyone over 60, if they had had Covid or not, to protect them against future infections. "And for more new vaccines, discover whyThe CDC says do not do it before 4 weeks after being vaccinated.

The reason why seniors are more likely to get two times than COVID is due to immunoration, or "theDecline related to the age of the immune system which can contribute to the increased incidence and severity of infectious diseases and possibly certain cancers in the elderly ", asNeuro-immune biology the described.

"There is a reason why people over the age of 60 will have to have additional vaccines to strengthen their immunity to various infections, because we know that the immune system begins to raise later," said Edwards. And for more COVID news, delivered directly to your inbox,Sign up for our daily newsletter.

Centers for Disease Control and Prevention (CDC) maintained that "Reinfection case with COVID-19have been reported, but remain rare. "And this new study confirms this fact. Research has shown that the 11,068 people who have tested positive during the first overvoltage, only 72 have been tested positive again in the second. Overall, researchers have found that less than 1 percentage of people have been reinfected in the second wave of COVID-19. However, this jumped to 3.6% of people when more than 65 years old were studied.

Scientists concluded that most people who had the disease appeared to have a protection against reinfection for more than six months.

"We have not identified anything to indicate that the protection against reinfection decreases within six months of CVIV-19," study authorDaniela Michlmayr, PhD, from the Sten Serum Institute in Denmark, said in a statement. "The closely linked coronaviruses of the SARS and the seas were both demonstrated to entrust immune protection against the three-year reinfection, but a continuous analysis of COVID-19 is necessary to understand its long-term effects on the chances of patients. become infected again. " And for more details on how the vaccine affects some people, discover That's why half of people have lighter vaccine side effects, says CDC .