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 ...

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

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 ...

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 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 ...

Researchers in Japan are calling for new vaccines to be developed to protect the public from breakthrough variants of the novel coronavirus, such as the highly contagious Delta strain that comes ...

Five years after the COVID-19 pandemic hit South Carolina and the U.S., it is still changing health care, from wastewater ...

The move, announced on Monday afternoon, comes amid a recent global surge in coronavirus cases sparked by the more infectious Delta variant. The world may never reach herd immunity against Covid ...