自2019年12月SARS-CoV-2在全球迅速蔓延，引发COVID-19大流行。自疫情暴发以来，SARS-CoV-2基因组持续变异，不断引发新旧毒株的更替，推动SARS-CoV-2反复感染的浪潮。连续的感染和疫苗接种使得体液免疫反应变得更加复杂和多 ...

The new subvariant is quickly becoming dominant in the US. 要点： XBB.1.5是COVID-19的一个新的Omicron病毒株； 专家说，它比以前的病毒株更具传染性； 专家提醒 ...

For young, healthy people who may be wondering, “do I need a COVID booster at all?”, having one annually is sensible.

The new generation of boosters are called "monovalent Omicron XBB 1.5 vaccines". "Monovalent" means they contain just one strain of COVID-19, making them a bit different to the "bivalent" vaccines ...

An Omicron subvariant blamed for a surge in Covid cases in the US has been detected in the UK. The rapid spread and “growth advantage” of Omicron XBB.1.5 – nicknamed the Kraken variant ...

Pfizer's latest COVID booster targets Omicron JN.1. Learn who should get it and why it’s essential for protection.

1. Why am I being given COMIRNATY Omicron XBB.1.5? COMIRNATY Omicron XBB.1.5 is a vaccine given to prevent coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome ...

Health Canada on Tuesday approved the updated Novavax vaccine, marking the third booster available to Canadians alongside ...

In the early days of the pandemic, it was extremely rare to hear of people catching Covid twice. The Omicron variant which first emerged in late November 2021 has changed that. Part of it is ...

Read more he re. What is Arcturus? XBB.1.16, also known as Arcturus, is a subvariant of the omicron variant of COVID-19. It appears to be correlated with increased cases of conjunctivitis ...