Vaccination Reduces Chance of Getting Long COVID, Studies Say

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 response to a brand new comprehensive review by the U.Ok. Well being Safety Company.

The overview consists of information from 15 U.Ok. and worldwide research, with seven research inspecting whether or not COVID-19 vaccination earlier than an infection protects in opposition to growing lengthy COVID and 7 research wanting on the influence of vaccination amongst individuals who already had lengthy COVID. One research 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, totally vaccinated individuals have been much less doubtless than unvaccinated individuals to develop medium- or long-term signs similar 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 number of instances 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, diminished lengthy COVID signs, or fewer lengthy COVID signs than those that remained unvaccinated,” the overview stated.

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

“The time period ‘lengthy COVID’ covers a variety of post-COVID situations 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, informed the Science Media Centre.

“The immune system is believed to play a task in symptom improvement in a major variety of instances, doubtless 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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