Vaccination Reduces Likelihood of Getting Lengthy COVID, Research Say

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Feb. 16, 2022

Vaccination in opposition to COVID-19 reduces the danger of growing lengthy COVID and improves lengthy COVID signs amongst those that have been unvaccinated when contaminated, in keeping with a brand new complete assessment by the U.Okay. Well being Safety Company.

The assessment consists of information from 15 U.Okay. and worldwide research, with seven research analyzing whether or not COVID-19 vaccination earlier than an infection protects in opposition to growing lengthy COVID and 7 research trying on the influence of vaccination amongst individuals who already had lengthy COVID. One examine examined each.

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In six research, those that obtained one or two vaccine doses earlier than coronavirus an infection have been much less more likely to develop signs of lengthy COVID after an infection.

In two research, totally vaccinated individuals have been much less possible than unvaccinated individuals to develop medium- or long-term signs corresponding to fatigue, headache, weak spot within the legs and arms, persistent muscle ache, hair loss, dizziness, shortness of breath, lack of scent or lung scarring.

As well as, three research evaluating lengthy COVID signs earlier than and after vaccination discovered that most individuals reported an enchancment in signs after vaccination, both instantly or over a number of weeks. A couple of circumstances reported a worsening in signs after vaccination.

“There’s additionally proof that unvaccinated individuals with lengthy COVID who have been subsequently vaccinated had, on common, lowered lengthy COVID signs, or fewer lengthy COVID signs than those that remained unvaccinated,” the assessment stated.

Scientists aren’t but certain why vaccination results in an enchancment in signs for some individuals, in keeping with The Guardian. Further analysis is being performed.

“The time period ‘lengthy COVID’ covers a variety of post-COVID circumstances and so we don’t but totally perceive all of the processes concerned,” Deborah Dunn-Walters, chair of the British Society for Immunology’s COVID-19 Taskforce, advised the Science Media Centre.

“The immune system is assumed to play a job in symptom improvement in a big variety of circumstances, possible because of an overreactive and/or barely misdirected immune response in the course of the acute COVID an infection,” she stated.

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