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 ...

Editor’s note: Posts that falsely claim the CDC has issued a health advisory about the XBB subvariant of COVID-19 are circulating again on Facebook in August 2024. The same false message has ...