LOS ANGELES (Reuters) - With a new wave of COVID-19 infections fueled by the Delta variant striking countries worldwide, disease experts are scrambling to learn whether the latest version of ...

重症急性呼吸器症候群コロナウイルス2（SARS-CoV-2）のB.1.617.2（デルタ）変異株は、最近になって急速に他の既存の変異株系統より優勢になったが、その理由として、デルタ変異株の感染力が高いことと中和抗体に対する感受性が低いことを挙げる論文が ...

Cases of the Delta coronavirus variant have risen 46% in a week in the UK - as an expert warned the even more transmissible Delta plus variant could soon hit the country. Another 50,824 cases were ...

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 in ...

Watch: COVID-19 - Why India is concerned about 'Delta plus' variant and a third wave - as 41 cases detected in UK The "Delta plus" COVID variant is now a big concern for India's government and ...

AY.4.2 is "noted to be expanding in England", according to the UK Health Security Agency, and now makes up 6% of new cases. It's an offshoot of the Delta variant that has been dominant since earlier ...