Omicron 就属于之一类别，在全球占主导的 Delta 变种，以及其它传染性较弱的 Alpha、Beta 和 Gamma都被列入了“受关注的变种”。 在科学家们努力地 ...

Newly shared preliminary data suggests that the Omicron variant of SARS-CoV-2 may target and infect tissues within the respiratory tract at different rates than do the Delta variant and other ...

As NAI Commercial related, there was Alpha in December 2019, Beta in January 2020, Gamma in February of 2020, and Delta in April 2021. And then Omicron appeared in November 2021. With this new ...