The Delta variant (B.1.617.2) was [3] [4] a variant of SARS-CoV-2, the virus that causes COVID-19. It was first detected in India on 5 October 2020. The Delta variant was named on 31 May …

2022年1月24日 · The SARS-CoV-2 Delta variant has spread rapidly worldwide. To provide data on its virological profile, we here report the first local transmission of Delta in mainland China.

2023年9月1日 · It’s estimated that Delta caused more than twice as many infections as previous variants—in Connecticut, it was estimated to have been 80 to 90% more transmissible than …

Find out about the delta variant and how it spreads, and how a COVID-19 vaccine can protect you.

德尔塔（Delta），是新冠病毒变异毒株。最早于2020年10月在印度发现。2021年5月，世卫组织将最早在印度发现的新冠病毒变异毒株B.1.617.2命名为“德尔塔”变体。该变体被确定为印度第二 …

2021年6月30日 · Originally known as B.1.617.2, the delta variant is the most infectious version of the COVID-19 virus to date. It was first identified in India in December 2020, where it quickly …

2021年9月22日 · Delta is now the predominant COVID-19 variant – by far – accounting for more than 99% of U.S. cases. And it's no longer a given that you can largely escape COVID-19 …

2021年7月2日 · The coronavirus variant is on track to become the dominant version of the virus in the U.S. Here's what you need to know about it and the delta plus variant.

Higher transmissibility, a 60 percent increase in hospitalization rates compared to the wild type, higher viral loads, and reduced response to available vaccines are among the key factors why …

The SARS-CoV-2 Delta variant has evolved as the dominant strain of the current pandemic. Studies have shown that this variant has increased infectivity/viral load, and reduced …