These vaccinated people have a higher risk of becoming a covid, studies find
New research has identified two groups of people most at risk of breakthrough.
After almost two months of relief, theThe coronavirus is back to circulate At increased levels in the United States according to the centers for Disease Control and Prevention (CDC),Infections have increased From more than 18% in the last week, while hospitalizations increased by more than 24%. This increase was propelled by the omicron subvins, the variants BA.2 and BA.2.12.1 each constituting about half of the country's cases at the moment, according to the CDC. These subvariants are even more transmissible than the original omicron, which caused continuous warnings of viral experts on the need for general vaccination.
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But with the increase in coastal cases and highly infectious variants, non -vaccinated people are not the only ones at risk. According to the CDC, fully vaccinated individuals can always obtainvirus Because vaccines "are not 100% effective to prevent infection". These revolutionary infections are even more common now, increasing with Omicron overvoltage, which has also coincided with the decreasing immunity of initial shots. In the state of Washington alone, theCovid average number of cases Occurring in vaccinated people doubled during the reign of omicron compared to the Delta wave.
"Current vaccines protect against serious illnesses, hospitalizations and deaths due to infection by the Omicron variant. However, infections pierced in vaccinated people can occur," said CDC.
According to the agency, staying up to date on your cocvid vaccines is the most effective way to limit your chances of developing a serious disease, even if you are infected with the virus. But some vaccinated people are already more likely to obtain a peach infection covids than others.
Two recent studies of researchers from the Western University School of Medicine box has discovered that vaccinated people who suffer from cancer or dementia have a greater chance of being infected with the cocovid.
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The first study, which was published on April 8 in theJournal of the American Medical AssociationOncology, looked at the rate ofrevolutionary case among More than 45,000 vaccinated patients with cancer in the United States between December 2020 and November 2021. According to the study, the risk of pierced infections in patients with all types of cancer was 13.6%, while People vaccinated without cancer had a risk of 4.9%.
The researchers of this study also broke the probability of different types of cancer. According to the study, the highest risk of revolutionary covid has been in vaccinated people with pancreatic cancer at 24.7%, liver cancer at 22.8%, lung cancer at 20.4 % and colorectal cancer at 17.5%. Less -risk cancers included the thyroid at 10.3%, the endometrium at 11.9%and the breast at 11.9%.
The overall risk of hospitalization and death was also higher in vaccinated cancer patients at 31.6% and 6.7%, respectively. In comparison, patients vaccinated without cancer had only 3.9% of hospitalization and a risk of death of 1.3%.
"Infections pierced in cancer patients were associated withsignificant and substantial risks For hospitalizations and mortality. These results underline the need for patients with cancer to maintain the practice of attenuation, in particular with the emergence of different variants of viruses and the decreasing immunity of vaccines ", co -author of studyRong Xu, PHD, teacher of biomedical computer science at the school of medicine, andNathan Berger, MD, the Hanna-Payne experimental medicine professor at the school of medicine, in a press release.
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The second study, which was published on April 13 in theAlzheimer's and dementia Newspaper, looked at theCovid breakthrough rate For more than 262,000 elderly people vaccinated between December 2020 and August 2021. According to the study, the overall risk of breakthrough infections for fully vaccinated patients with dementia varied from 8.6 to 12.4%. The most in danger were patients with Lewy body dementia (LBD) who presented a risk of 14.3%, followed by vascular dementia (VD) at 12.5%, frontotemporal dementia (FTD) at 11, 8%, a slight cognitive impairment (MCI) at 11.6%, at 11.6%, and Alzheimer's disease (AD) at 10.3%. In comparison, those without dementia had a risk of 5.6%.
"Patients with dementia have a significantly higher rate of reference infections after vaccination as patients of the same age and the same risk factors other than dementia,"Pamela Davis, PHD, the research teacher Arline H. and Curtis F. Garvin at the school of medicine, in a press release. "Consequently, continuous vigilance is necessary, even after vaccination, to protect this vulnerable population. Caregivers should consider the current masking and distancing in progress, as well as recall vaccines to protect these people."
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