News: Delta variant surge in Australia prompts Hong Kong expert to suggest raising its Covid-19 risk level, but government adviser says move is unnecessary A recent surge of Delta variant ...

You’ve certainly heard of the delta variant of the coronavirus, but what is the mu variant that is been in the news lately? Mu is a version of the coronavirus that ...

The original strain of the virus was displaced by the Alpha variant. Then we had Beta, then Delta and then Omicron. KP.2 is ...

A certain mutation in the COVID-19 Delta variant causes infected cells to form disruptive chunks in the lungs and leads to more serious symptoms of the disease, a research team said. If the cells ...

The world first became aware of Covid-19 five years ago. We evaluate where we are, remember how we got here, and consider ...

As the Delta variant sweeps the globe, scientists are learning more about why new versions of the coronavirus spread faster, and what this could mean for vaccine efforts. The spike protein ...

India's health ministry says studies showed that the so-called Delta plus variant - also known as AY.1 - spreads more easily, binds more easily to lung cells and is potentially resistant to ...

The Delta variant is contributing to a rapid rise in Covid cases in parts of Asia causing a severe strain on health infrastructure in some countries. Vaccinations rates are relatively low in many ...

And because the delta variant, first identified in India, can spread among vaccinated people, that extra layer of protection for recovered patients is probably helpful (SN: 7/30/21). Sign up for e ...

Scientists say it is too soon to tell if omicron is more or less virulent than delta or other variants. Vaccine maker Moderna's CEO said Monday that omicron does seem more infectious, but that it ...