Vaccination Reduces Probability of Getting Lengthy COVID, Research Say

Feb. 16, 2022

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

The evaluation contains 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 creating lengthy COVID and 7 research wanting on the affect of vaccination amongst individuals who already had lengthy COVID. One examine examined each.

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

In two research, absolutely vaccinated folks have been much less doubtless than unvaccinated folks to develop medium- or long-term signs reminiscent of fatigue, headache, weak point 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 folks with lengthy COVID who have been subsequently vaccinated had, on common, decreased lengthy COVID signs, or fewer lengthy COVID signs than those that remained unvaccinated,” the evaluation mentioned.

Scientists aren’t but certain why vaccination results in an enchancment in signs for some folks, in line with The Guardian. Further analysis is being carried out.

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

“The immune system is assumed to play a task in symptom improvement in a big variety of circumstances, doubtless on account of an overreactive and/or barely misdirected immune response throughout the acute COVID an infection,” she mentioned.

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