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3. www.yalemedicine.org › news › jn1-coronavirus3 Things to Know About JN.1, the New Coronavirus Strain

   www.yalemedicine.org › news › jn1-coronavirus

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   Jan 31, 2024 · The World Health Organization (WHO) has declared it a “variant of interest.” There is no evidence that JN.1 causes more severe disease, the CDC says, but its rapid spread suggests it is either more transmissible or better at evading the immune system than other circulating variants.

4. www.hopkinsmedicine.org › health › conditions-andCOVID Variants: What You Should Know | Johns Hopkins Medicine

   www.hopkinsmedicine.org › health › conditions-and

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   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.

5. www.scientificamerican.com › article › what-to-knowWhat to Know about the New COVID Variant JN.1 | Scientific ...

   www.scientificamerican.com › article › what-to-know

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   Jan 8, 2024 · A new variant of the COVID-causing virus SARS-CoV-2 is behind the latest surge in infections this winter, but it doesn't appear to cause more severe disease.

6. www.nytimes.com › omicron-coronavirus-variantWhat We Know About Omicron, BA.4 and BA.5 - The New York Times

   www.nytimes.com › omicron-coronavirus-variant

   Jun 14, 2022 · Two new subvariants, BA.4 and BA.5, have been gaining ground in the United States. During the week ending June 11, the two subvariants accounted for 21.6 percent of cases in the country, up from...

7. www.nytimes.com › article › covid-variantWhat to Know About the New Covid Variants - The New York Times

   www.nytimes.com › article › covid-variant

   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...

8. www.nationalgeographic.com › science › articleWhy is Delta more infectious and deadly? New research holds ...

   www.nationalgeographic.com › science › article

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   Aug 6, 2021 · With more than half the population incompletely vaccinated, the Delta variant can continue to infect and evolve, leading to more vaccine breakthrough infections than expected and possibly...