What You Need to Know About XBB.1.5, the Latest Omicron Variant
2023年1月6日 · XBB.1.5 is the most transmissible variant of COVID-19 yet. As 2023 begins, it’s causing the majority of cases in the U.S., but we aren’t seeing a surge like omicron caused last winter.
Early Estimates of Updated 2023–2024 (Monovalent XBB.1.5)
2024年2月1日 · In September 2023, the divergent JN.1 lineage was detected in the United States. JN.1 has more than 30 mutations in the spike protein compared with XBB.1.5, including a change (L455S) similar to one found in circulating XBB lineages (L455F).*
Early Estimates of Bivalent mRNA Booster Dose Vaccine ...
2023年2月2日 · The SARS-CoV-2 Omicron sublineage XBB was first detected in the United States in August 2022.* XBB together with a sublineage, XBB.1.5, accounted for >50% of sequenced lineages in the Northeast by December 31, 2022, and 52% of sequenced lineages nationwide as of January 21, 2023.
Omicron XBB.1.5 'Kraken' Subvariant Is on the Rise: What To Know
2023年2月10日 · XBB.1.5 was first identified in the United States in New York in October 2022. Both XBB and the Kraken version (XBB.1.5) are recombinant (or hybrid) virus subvariants, meaning they are made up of two strains—in this case, two offshoots of the Omicron BA.2 sublineage. It is believed that both strains infected one person and mixed to form the ...
Interim Effectiveness of Updated 2023–2024 (Monovalent XBB.1.5) …
2024年2月29日 · Updated COVID-19 vaccines contain the spike antigen from the SARS-CoV-2 Omicron XBB.1.5 virus, which was the predominant variant circulating in the United States during the first half of 2023. Many other XBB lineages cocirculated during fall 2023 that had amino acid substitutions associated with increased escape from neutralizing antibodies ...
The rise of variant XBB.1.5, and more — this week’s best ... - Nature
2023年1月10日 · Infections from a variant of SARS-CoV-2 called XBB.1.5 have been rising sharply in the United States and made up 28% of cases in early January. XBB.1.5 is an offshoot of a variant called...
Durability of XBB.1.5 Vaccines against Omicron Subvariants
2024年5月29日 · A data survey of 1.8 million people in Nebraska showed that XBB.1.5 vaccine effectiveness was 52% against infection and 67% against hospitalization, despite a decline in circulating XBB.1.5...
Pfizer and BioNTech Submit Applications to U.S. FDA for Omicron XBB…
2023年6月23日 · NEW YORK and MAINZ, GERMANY, JUNE 23, 2023 — Pfizer Inc. (NYSE: PFE) and BioNTech SE (Nasdaq: BNTX) today announced the companies have submitted regulatory applications to the U.S. Food and Drug Administration (FDA) for their Omicron XBB.1.5-adapted monovalent COVID-19 vaccine for individuals 6 months of age and older.
Virological characteristics of the SARS-CoV-2 Omicron XBB.1.5 …
2024年2月8日 · Nature Communications - XBB.1.5 of SARS-CoV-2 is a descendant of XBB.1 and has mutations in spike and ORF8, making it more infectious to humans. Here, the authors examined in detail the...
Coronavirus variant XBB.1.5 rises in the United States - Nature
2023年1月9日 · The XBB.1.5 subvariant now makes up around 28% of US COVID-19 cases, according to projections from the US Centers for Disease Control and Prevention (CDC) in Atlanta, Georgia, and its prevalence...