A study published this Wednesday in the scientific journal The Lancet Infectious Diseases has discovered a new benefit for those who have already completed the full coronavirus vaccination chart.
A group of researchers from the United States and the United Kingdom analyzed some data collected in the European country through the Covid Symptom Study application of adults who claimed to have received the Covid-19 vaccine between December 2020 and July 2021 to compare the symptoms to short and long term of those who were still inoculated and those who also fell ill without having been vaccinated.
In the app, about 1.2 million people reported that they had already received at least one dose of the vaccine; of these, between 0.5% (6,030 people) contracted Covid-19 after being vaccinated. One million users indicated that they had completed the vaccination and of them only 0.2% (2,370 people) tested positive after inoculation.
Of all of them, the scientists found that some groups were more vulnerable to the virus than others, such as people older than 60 years, those who lived in densely populated areas or suffered from obesity.
This investigation concluded that Not only does the Covid-19 vaccine prevent you from developing a serious illness that requires hospitalization, it can also reduce the likelihood of developing what has been called long-term Covid.
“We found that the chances of having symptoms for 28 days or more after post-vaccination infection were reduced by about half with 2 doses of the vaccine. This result suggests that the risk of prolonged COVID is reduced in people who have received double vaccination, when the already documented reduced risk of infection in general is additionally considered, ”the study researchers stated.
Another interesting fact is that those vaccinated who became ill with coronavirus had few symptoms and there was even a higher incidence of asymptomatic patients compared to those who had not been vaccinated.
Penny Ward, professor of pharmaceutical medicine at King’s College London, in a statement released by the UK’s Science Media Center, indicated that although prolonged Covid has been studied in depth, it is not yet known exactly what it is that causes it. provokes.
“However, it is encouraging that the overall proportion of cases with persistent symptoms is reduced in patients who were previously fully vaccinated, which, together with the milder general illness and reduced need for hospital care, demonstrates the additional value of vaccination to reduce the severity of the disease, “said Ward.
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