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Nov 4, 2023 · This variant spreads more easily than the original virus that causes COVID-19 and the delta variant. But omicron seems to cause less severe disease. Omicron has a few major offshoots, also called sublineages. Together the omicron variants make up nearly all COVID-19 infections in the United States.
- kathy.katella-cofrancesco@yale.edu
- Where did JN.1 come from, and how is it different? The JN.1 strain surfaced in the U.S. in September. It is a close relative of BA.2.86 (informally referred to as “Pirola”), a lineage of the Omicron variant that the CDC has been tracking since August.
- What do we know—and not know—about JN.1? Although there is not yet enough evidence to say anything definitively, JN.1 does not seem to cause more cases of severe disease or symptoms that differ from those associated with previous strains.
- How can people protect themselves against these new coronavirus subvariants? Anticipation of three viruses—SARS-CoV-2, influenza, and RSV—hitting around the same time in the fall and winter has contributed to fears of a “tripledemic” in recent years.
Jan 8, 2024 · January 8, 2024. 6 min read. What to Know about the New COVID Variant JN.1. A new variant of the COVID-causing virus SARS-CoV-2 is behind the latest surge in infections this winter, but it...
Apr 8, 2022 · A variant of concern has been observed to be more infectious, and is more likely to cause breakthrough infections or reinfections in those who are vaccinated or previously infected. These variants are more likely to cause severe disease, evade diagnostic tests, or resist antiviral treatment.
Dec 27, 2023 · Neither EG.5 nor HV.1 appear to be more contagious or more likely to cause severe illness than earlier variants. Diagnostic tests and treatments such as Paxlovid also continue to be effective ...
Sep 1, 2023 · In 2023, a new Omicron strain called EG.5 (nicknamed “Eris”) is the dominant strain in the U.S., and experts are monitoring another new strain called BA.2.86 (nicknamed “Pirola”). How contagious is it? Omicron’s subvariants are considered to be especially efficient spreaders of the disease.
Dec 15, 2023 · Nearly all COVID-19 cases in the United States right now are being caused by one, highly contagious variant called JN.1. The fast-spreading omicron subvariant currently accounts for over 93% of...
