Great Britain Resilience System

Covid-19 may cause greater loss of gray matter and tissue damage in the brain than naturally occurs in people who have not been infected with the virus, a large new study found.

The study, published Monday in the journal Nature, is believed to be the first involving people who underwent brain scans both before they contracted Covid and months after.

Neurological experts who were not involved in the research said it was valuable and unique, but they cautioned that the implications of the changes were unclear and did not necessarily suggest that people might have lasting damage or that the changes might profoundly affect thinking, memory or other functions.

UK health agency says long COVID less common in the vaccinated Long COVID is less likely to affect vaccinated people than unvaccinated people, a new review of 15 studies by the UK Health Security Agency released on Tuesday has concluded. Reuters Reuters

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What you need to know about the coronavirus right now Here's what you need to know about the coronavirus right now: Reuters Reuters

-- South Korea said on Friday it would extend stricter social distancing rules for two weeks amid a persistent surge in serious coronavirus infections and concerns over the spread of the highly contagious Omicron variant.