The main goals of the COVID-19 vaccines were to avoid serious illness and death, and they continue to be very effective in achieving these goals. However, when the shots first became available, many patients also believed they would stop or even reverse Long COVID symptoms like exhaustion, neurological problems, chronic pain, and cognitive failure.
Although studies have reached quite various conclusions regarding the level of protection offered by vaccines against Long COVID, some of the most recent findings suggest to pretty underwhelming protection.
More than 4% of individuals in the U.K. who had received booster shots and vaccinations were included in a July study from the Office for National Statistics. who were infected with Omicron BA.1, BA.2, or Delta continued to experience symptoms at least 12 weeks later. According to a preprint that was published online on September 6 but has not yet undergone peer review, the situation isn't much better in the United States.
During the transition to the BA.5 variety in June and July, researchers polled the population. About 20% of those who claimed to have had COVID-19 at least a month prior had symptoms that persisted for at least four weeks, with little distinction between those who had received the vaccine and those who had not.
That being said, a research review published in eClinical Medicine in August examined a variety of peer-reviewed and preprint papers, six of which examined whether patients who were vaccinated before being ill had a lower risk of contracting Long COVID than those who were unvaccinated.
According to some 2021 study, vaccinated individuals were up to 50% less likely to acquire Long COVID following a breakthrough infection than individuals who had not received the vaccination and contracted COVID-19.
However, a sizable study that was published in Nature Medicine in May came to a less optimistic conclusion: it indicated that those who had received the vaccine were only 15% less likely than those who hadn't to acquire Long COVID.
Al-Aly points out that because experts haven't had time to examine the new Omicron-specific boosters, they merely raise more concerns about immunisation and Long COVID. He expresses the hope that in the future, scientists will create vaccines that offer more comprehensive protection against all variations, stop viral transmission, and shield against Long COVID