New research reveals that even mild respiratory infections can leave lasting biological changes. However, COVID-19 stands apart, with unique effects on the brain that may help explain long COVID.

Most people have put the COVID-19 pandemic behind them. Infections, vaccinations, or a combination of both have bolstered people's immunity, and while new variants continue to pop up, getting sick ...

Researchers discover that COVID-19 uniquely causes brain inflammation and disrupts serotonin/dopamine pathways, explaining "brain fog" in Long COVID.

Scientists have identified molecular and structural changes in taste buds that may explain why a small subset of people experience long-term taste loss after COVID-19 infection. The study, published ...

A new study provides the first direct biological evidence explaining why some people continue to experience taste loss long after recovering from COVID-19.

Together, the findings suggest that long COVID relevant neurological symptoms could arise from inflammatory and microvascular mechanisms rather than direct neuroinvasion, and they reinforce the need ...

Persistent radiologic abnormalities after COVID-19 were common 28-60 days post-discharge, often showing improvement but remaining linked to long-term health quality, highlighting a population ...

"I still have nerve damage in both hands, in both arms." The families of Raul Pero and Titou Phommachahn are glad to have them back home after hard-fought battles against COVID-19. Yet, months after ...