Swedish Study Reveals Covid-19 May Increase Glandular Fever Risk

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Even individuals who did not go earnestly sick pinch COVID-19 whitethorn person developed a weakened immune strategy that could lead to superior illnesses successful nan future. Research from örebro University suggests that nan coronavirus mightiness person had much far-reaching effects than antecedently believed.

We were amazed that moreover group who did not person terrible symptoms but tested affirmative for COVID-19 look to create a weakened immune strategy and a higher consequence of, for example, glandular fever. It whitethorn besides beryllium that nan coronavirus further increases nan consequence of chronic fatigue."

Snieguole Vingeliene, interrogator successful medicine and epidemiology astatine örebro University

In nan study, 10 cardinal Swedes aged 3-100 were followed from 2020 to 2022. They were grouped based connected whether they had contracted coronavirus and nan severity of their infection. The results show a clear nexus betwixt nan coronavirus and consequent glandular fever. The study besides suggests that nan coronavirus whitethorn worsen different illnesses.

Snieguole Vingeliene designed nan study and conducted nan statistical study together pinch Scott Montgomery, professor of medicine, and Ayako Hoyoshi, subordinate professor of medicine. All 3 behaviour epidemiological investigation astatine örebro University.

Study of 10 cardinal Swedes

"We studied group who had been admitted to infirmary owed to glandular fever caused by Epstein-Barr virus. However, galore group who create glandular fever do not person symptoms terrible capable to require hospitalisation, truthful our results astir apt only show nan extremity of nan iceberg," says Snieguole Vingeliene.

More than 9 retired of 10 Swedes transportation nan Epstein-Barr microorganism (EBV), which tin origin glandular fever, but astir group do not create terrible symptoms. If nan infection occurs during childhood, it usually results successful mild aliases nary symptoms. Among those infected successful adulthood, astir 7 retired of 10 create symptoms specified arsenic a sore throat, fatigue, and different flu-like symptoms.

"If you person had glandular fever, you person astir apt noticed it. The illness tin lead to respective weeks of sick time off and origin exhaustion and fatigue that whitethorn persist for respective months. Once you person had nan virus, it remains successful nan assemblage for life," says Snieguole Vingeliene.

Possible semipermanent consequences

"A ample proportionality of those we studied were comparatively young. This whitethorn propose that nan coronavirus had a stronger effect connected younger people, peculiarly concerning nan immune strategy and nan consequence of glandular fever. It besides implies that much effects of nan microorganism mightiness go evident later, chiefly done an summation successful cases of glandular fever," explains Snieguole Vingeliene.

Since nan pandemic, location has been an summation successful diagnoses of aggregate sclerosis (MS), but it cannot beryllium confirmed that this is caused by COVID-19. Meanwhile, location is interest that nan coronavirus could, successful nan agelong term, lead to much group processing MS and different superior neurological conditions.
Although nan consequence is elevated, processing MS remains rare. Less than 1 per cent of nan organization is affected. Anyone who is concerned should interaction healthcare services," says Snieguole Vingeliene.

Source:

Journal reference:

Vingeliene, S., et al. (2025). SARS‐CoV‐2 Infection Is Associated With an Increased Risk of Hospital‐Treated Infectious Mononucleosis owed to EBV: National Register‐Based Cohort Study. Journal of Medical Virology. DOI: 10.1002/jmv.70787. https://onlinelibrary.wiley.com/doi/10.1002/jmv.70787