Interim Effectiveness of Updated 2023–2024 (Monovalent XBB.1.5) COVID ...
网页2024年2月29日 · On September 12, 2023, CDC’s Advisory Committee on Immunization Practices recommended updated 2023–2024 COVID-19 vaccination with a monovalent XBB.1.5–derived vaccine for all persons aged ≥6 months to prevent COVID-19, including severe disease (1). Although 1 updated vaccine dose is recommended for most persons …
Variants of the Virus | CDC
网页Updated Feb. 6, 2023. Print. What You Need to Know. New variants of SARS-CoV-2, the virus that causes COVID-19, will continue to occur. CDC coordinates collaborative partnerships which continue to fuel the largest viral genomic sequencing effort to date. The Omicron variant, which emerged in November 2021, has many lineages.
What You Need to Know About XBB.1.5, the Latest Omicron …
网页2023年1月6日 · XBB.1.5 is a reminder that we have the tools to fight off COVID—but we need to use them effectively. This article was updated on January 9, 2023, to reflect updated CDC data. Four weeks ago, the XBB.1.5 variant caused less than 10% of COVID-19 cases in the U.S. Now it causes more than 25% of them.
网页2023年9月12日 · Confidential 1. Presentation Outline. Kayvon Modjarrad, M.D., Ph.D. Executive Director, Viral Vaccines Vaccine Research and Development, Pfizer Inc. Variant Epidemiology. COVID-19 Updated Vaccine Approval Pathway. Monovalent XBB.1.5 BNT162b2 Vaccine Activity Against Contemporary Omicron Sublineages. Clinical Update.
Early Estimates of Bivalent mRNA Booster Dose Vaccine ...
网页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.
Evaluating Humoral Immunity Elicited by XBB.1.5 Monovalent COVID …
网页2024年4月5日 · A monovalent COVID-19 vaccine containing the XBB.1.5 variant SARS-CoV-2 spike protein was approved in September 2023, but uptake has been hesitant ( 1 ). Evaluating the immunogenicity of variant-adapted vaccines could incite trust in COVID-19 immunization, especially as neutralization-evading variants such as JN.1 emerge.
Virological characteristics of the SARS-CoV-2 XBB variant
网页2023年5月16日 · Metrics. In late 2022, SARS-CoV-2 Omicron subvariants have become highly diversified, and XBB is spreading rapidly around the world. Our phylogenetic analyses suggested that XBB emerged through...
Notes from the Field: Epidemiologic Characteristics of ...
网页2023年2月23日 · During November–December 2022, the percentage of sequenced SARS-CoV-2 isolates in NYC identified as XBB.1.5 increased eightfold, from 8% to 72%.
Coronavirus variant XBB.1.5 rises in the United States - Nature
网页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...
Virological characteristics of the SARS-CoV-2 Omicron XBB…
网页2024年2月8日 · 2 Citations. 27 Altmetric. Metrics. Circulation of SARS-CoV-2 Omicron XBB has resulted in the emergence of XBB.1.5, a new Variant of Interest. Our phylogenetic analysis suggests that XBB.1.5...
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