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According to a new study, one in five Covid-19 survivors may develop symptoms of long-term covid, or long-term symptoms. Study From the Centers for Disease Control, although vaccination can reduce the risk of symptoms by up to 15%, found another study of more than 13 million veterans, conducted by researchers at Washington University School of Medicine in St.

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According to a University of Washington study, vaccines reduced the risk of death among COVID patients by 34% and reduced the risk of some of the most debilitating chronic COVID symptoms – lung and blood clotting disorders – respectively by 49 % and 56%. nature medicine on Wednesday.

According to the study, vaccinated, immunized people were 17% more likely to develop symptoms of covid over a longer period of time than healthy, vaccinated people, which has led to more than 113,00 uninfected covids experiencing breakthrough infection since January. patients and examined data from 33,000 vaccinated patients. 1 to 1 November 2021.

The results suggest that vaccination is “critically important in the fight against COVID-19,” but appears to provide only “modest protection against prolonged COVID,” said Ziad al-Ali, study author and at the Washington University School of Medicine. Clinical epidemiologist. Medicine said in a statement.

The University of Washington study comes after new research published by the CDC on Tuesday showed that COVID survivors were two times more likely to develop respiratory problems or pulmonary embolism than those who did not. Is.

The CDC study – which analyzed the electronic health records of more than 60 million adults nationwide from March 2020 to November 2021 – found one out of every four adults aged 65 and older had long-term covid symptoms. The experience happened, and they were at greater risk. Compared with people younger than 65 years of age, they are more likely to develop kidney failure, neurological conditions, and most mental health conditions.