这款疫苗已于2023年6月获得国家紧急使用批准，是全球首款针对XBB毒株的重组蛋白疫苗。 新冠病毒的快速变异使得疫苗研发面临持续挑战。随着新亚型的出现，现有疫苗常常难以快速适应病毒的变化，迫切需要开发能够对抗多种变异株的广谱疫苗。虽然XBB.1.5亚 ...

A message on Covid XBB variant is doing rounds on WhatsApp. It is fake and misleading. While an XBB variant does exist, claims in the message are misleading. Here's all you need to know about XBB ...

More information: Dan-Yu Lin et al, Effectiveness of XBB.1.5 vaccines and antiviral drugs against severe outcomes of omicron infection in the USA, The Lancet Infectious Diseases (2024).