Long COVID
COVID vaccines linked to reduced long COVID risk in new study
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A recent study published on October 2, 2025, indicates that COVID-19 vaccinations significantly lower the risk of developing long COVID. Researchers analyzed data from over 1 million patients, finding a 50% reduction in incidence among vaccinated individuals. The findings highlight ongoing benefits of vaccination even after the acute phase of infection.
Japanese researchers identify biological cause of long COVID brain fog
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Scientists in Japan have discovered a key molecular change behind the brain fog experienced by many long COVID patients. Using advanced brain imaging, they found increased density of AMPA receptors linked to cognitive impairment. The findings, published on October 1, 2025, could lead to new diagnostics and treatments.