尽管如此，本研究为 65 岁以上老年人接种三种基于蛋白的含 XBB 疫苗后的中和抗体反应提供了重要证据，为优化老年人群疫苗接种策略、增强对新兴 SARS-CoV-2 变体的中和免疫力提供了关键信息。未来需进一步研究不同给药途径疫苗诱导的免疫特征、年龄对加强免疫后免疫力持久性的影响以及疫苗对新变体的效力等问题，以更好地应对新冠疫情，保障老年人群健康。

With the rise of omicron came the fall of long-lasting protection from reinfection with the pandemic coronavirus SARS-CoV-2, ...

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 ...

The prevalence of this subvariant quickly increased, prompting the development of the latest Covid-19 vaccine formulations. But XBB.1.5 no longer is the dominant variant. In May 2023, XBB.1.5 ...

The first batch of Covid-19 vaccines that target the XBB variant will arrive in Hong Kong by the end of the year, SCMP has learned. Secretary for Health Lo Chung-mau on Thursday said the ...

The vaccines’ effect on inflammation-promoting cells might help to explain why the jabs protect against severe disease.

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 ...

As South Korea battled a spike in flu cases, misinformation swirled online that the country was suffering a resurgence of the Omicron XBB coronavirus variant, which was "five times stronger" and ...

As per the data updated at 8 am on March 24 by the Ministry of Health and Family Welfare (MoHFW), India currently has 7,927 active cases, which is 0.02% of the global caseload, the death toll has ...

The number of cases of COVID-19's XBB.1.5 variant, responsible for the rise in cases in the US, has gone up to 26 in India, according to INSACOG data on Monday. The XBB.1.5 strain is a relative of ...