Contrary to prevailing belief, an evolutionary analysis finds no evidence that most viruses with epidemic or pandemic ...

New research reveals that even mild respiratory infections can leave lasting biological changes. However, COVID-19 stands ...

World Health Organization officials first learned about a cluster of cases of pneumonia in the Hubei Province of China on Dec. 31, 2019. This represented the initial report of what soon became known ...

In a recent study published in the Journal of Experimental Medicine, researchers identified the cellular tropism and transcriptome consequences of severe acute respiratory syndrome coronavirus 2 (SARS ...

I'll never understand why masking isn't required - or even just strongly encouraged - in all medical facilities, or, at the very least, in hospitals. A recent study published in the peer-reviewed ...

Those who’ve dodged COVID-19 for more than four years may have a newly discovered immune response to thank. The results stem from a challenge trial: At the height of the pandemic in 2021, scientists ...

An analysis of 76 million people found that those who had been ill with Covid were at greater risk of developing one cancer ...

Six years after the COVID-19 pandemic, which had claimed over 7 million lives worldwide by April 2024 (figures are no longer being tracked), we are still debating the origins of this novel virus. The ...

The timing of symptom onset depends on lots of factors, including the amount of virus to which someone was exposed, Hotez says. Their level of pre-existing immunity may also affect the likelihood or ...

Problems with iron levels in the blood and the body's ability to regulate this important nutrient as a result of SARS-CoV-2 ...

Nepal, March 5 -- 2003, when severe acute respiratory syndrome-1 (SARS-CoV-1) first emerged in China, it triggered a global alert, including in Nepal. I was then working as a junior medical officer, ...