As China and the United States trade charges of a lab leak, researchers contend in a new paper that the Covid pandemic got ...

According to the authors, previous studies suggested ... “At the outset of the COVID-19 pandemic, there was a concern that ...

The ancestor of the virus that causes COVID-19 left its point of origin in Western China or Northern Laos just several years ...

Adults who later developed long COVID had lower cardiorespiratory fitness (CRF) before infection than those who did not.

With new data emerging in 2025, it's obvious that even if the severity of the virus had reduced for most, its mutation keeps ...

A population-based study in Quebec found that healthcare workers faced a threefold higher risk of long COVID after a first ...

"Our results should also raise awareness among clinicians to consider a patient's COVID history and evaluate persistent symptoms more thoroughly." Zahi Fayad, Ph.D., senior author of the study and ...

Scientists trace how the virus behind COVID-19 traveled over 2,000 kilometers from bats in Western China to Wuhan.

During the pandemic, the Centers for Disease Control and Prevention (CDC) reported that people from historically marginalized ...

Most people who get COVID today will experience only a mild illness. But some are still at risk of severe illness. Here’s ...

A few months into it, scientists discovered the coronavirus in mammals known as palm civets sold in a market at the center of the outbreak. In a study published Wednesday, a team of researchers ...

Our results should also raise awareness among clinicians to consider a patient’s COVID history and evaluate persistent symptoms more thoroughly.” Zahi Fayad, PhD, senior author of the study ...