Mutations

Respiratory virus levels climb as JN.1 dominates COVID detections PeopleImages/iStock CIDRAP

... In its tracking of three main viruses that drive visits to health providers for symptoms such as fever and sore throat, the CDC said respiratory syncytial virus (RSV) activity remains elevated, especially for young children. Meanwhile, COVID-19 activity is increasing in many parts of the country, as is seasonal flu, though hospital bed occupancy and intensive care unit (ICU) capacity for all patients remains stable.

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New JN.1 COVID variant may be more contagious but less severe A new, fast-spreading variant named JN.1 now makes up 44% of all cases nationwide. Yahoo News

A new, fast-spreading variant named JN.1 now makes up 44% of all cases nationwide, more than doubling (21.3% vs. 44.2%) its share from the week before, according to the CDC COVID Data Tracker: Variant Proportions. ...

WHO designates JN.1 as separate COVID-19 variant of interest PAHO/Flickr cc CIDRAP

Due to its rapid growth and potential to add to the respiratory virus burden in Northern Hemisphere countries, the World Health Organization (WHO) today designated JN.1, part of the BA.2.86 SARS-CoV-2 lineage, as its own variant of interest.

Over the past month, the proportion of JN.1 viruses has rapidly increased, rising from 3.3% in early November to 27.1% by early December. Countries reporting the highest proportions include France, the United States, Singapore, Canada, and the United Kingdom.

Four New COVID-19 Variants Are Raising Concerns in the US! Here’s All About Them | Weather.com

Four New COVID-19 Variants Are Raising Concerns in the US! Here’s All About Them | Weather.com While vaccines have significantly reduced case numbers, these new strains pose fresh challenges in our ongoing fight against the coronavirus. - Articles from The Weather Channel | weather.com The Weather Channel The Weather Channel

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