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Jan 31, 2024 · Any new subvariant is a sign that the SARS-CoV-2 virus is still evolving; it’s still here with us, and we can’t ignore it,” she says. Here, Yale Medicine answers three questions about JN.1. 1. Where did JN.1 come from, and how is it different? The JN.1 strain surfaced in the U.S. in September.
Sep 1, 2023 · Although new variants are an expected part of the evolution of viruses, monitoring each one that surfaces is essential in ensuring we—in the U.S. and globally—are prepared.
Aug 5, 2021 · According to an internal CDC document, the Delta variant – one of four “variants of concern” that have evolved from SARS-CoV-2, the virus that causes COVID-19 – is more than twice as infectious as the original virus and as infectious as chickenpox. Denise Barchas, RN, works in the ICU respiratory isolation room at UCSF Mount Zion Medical Center.
Dec 27, 2023 · Right now, two variants, JN.1 and HV.1, comprise more than half of Covid cases in the United States. JN.1 accounted for 44 percent of cases as of late December, according to the Centers for...
Aug 6, 2021 · Studies show that Delta replicates more quickly and generates more virus particles than other variants, but vaccines still protect against serious infections.
May 7, 2023 · It's about 1.2 times more infectious, more transmissible, than prior variants. So what we're going to see is, over the next several months and into the summer, this will become the...
Jun 22, 2021 · The variant is now responsible for more than 80 percent of infections in the United States, largely among unvaccinated people, according to the C.D.C. It is already fueling new outbreaks in states ...
