Medical research

Findings challenge standard understanding of COVID-19 infection

Some viruses move between species. For example, SARS-CoV-2, the virus that causes COVID-19, can spill over from humans to mink, an agricultural species, and then spill back from mink to humans. Spillback is a concern because ...

Diseases, Conditions, Syndromes

How worried should we be about the pneumonia outbreak in China?

Reports of a surge in pneumonia-like illness primarily affecting children in northern China have captured our attention. The last time we heard about a mysterious respiratory outbreak leading to overcrowding in hospitals ...

Diseases, Conditions, Syndromes

COVID-19 variant maintains threat: WHO

COVID-19 remains a threat as a virus variant has been spreading steadily around the globe, the World Health Organisation said Tuesday.

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