New findings in unvaccinated people infected with Covid-19

The new study, published after the University of Zurich (Switzerland) and other research institutes examined 1,106 unvaccinated adults with a median age of 50 who were confirmed to have Covid-19 between August 6, 2020, and January 19, 2021. In addition, 628 adults (median age 65) were randomly selected from the general population who did not have Covid-19.

The study found that 17% of participants did not regain normal health and 18% reported symptoms related to Covid-19 in the 24 months after their initial Covid-19 infection, according to PTI. The study was published in The British Medical Journal .

Phát hiện mới ở những người không tiêm vắc xin bị mắc Covid-19 - Ảnh 1. — New research shows that 23% of people who did not get the Covid-19 vaccine did not recover, a figure that dropped to 19% after 12 months and 17% after 24 months of having Covid-19.

Overall, 55% of participants said they returned to normal health in less than a month after contracting Covid-19, while 18% said they recovered within 1-3 months.

After six months, the study found that 23% of participants had not recovered, a figure that dropped to 19% after 12 months and 17% after 24 months. Compared to those who were not infected, those who had Covid-19 were found to have a higher risk of both physical and mental health problems. For example, they reported changes in taste or smell (9.8%), malaise after exertion (9.4%), decreased ability to concentrate (8.3%) and anxiety (4%) at six months after contracting Covid-19.

Researchers looked at patterns of recovery and symptom persistence over two years in adults from a University of Zurich study of people with confirmed Covid-19 infection.

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Participants provided information on 23 potential Covid-19 symptoms six, 12, 18 and 24 months after infection. The study also took into account other potentially influential factors including age, gender, education , employment and pre-existing health problems.

The researchers acknowledge that the findings have some limitations, but say that frequent assessments of a range of health outcomes and similar findings after further analysis strengthen the credibility of the estimates.

“Persistent health problems pose significant challenges for affected individuals and place a heavy burden on public health and health care services,” the team wrote, calling for clinical trials “to establish effective interventions to reduce the burden of post-Covid-19 conditions.

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