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Respiratory virus levels climb as JN.1 variant dominates COVID cases

 

... 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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Four Midwest states show highest COVID rates again

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In only four states in the entire country the rate was above 15 percent. Region Seven, which includes Iowa, Kansas, Missouri and Nebraska, had the highest rate in the country as of the week ending on December 16, 18.5 percent. For weeks the four states have been identified as the worst-hit by the virus in the country, with more people testing positive than anywhere else.

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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, more than doubling (21.3% vs. 44.2%) its share from the week before, according to the CDC COVID Data Tracker: Variant Proportions. ...

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Explainer: Understanding the labeling of the many COVID varients

 

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A virus like this one has a lot of different names because it is changing constantly, and scientists need a common language to talk about a specific version that they’re seeing in a particular community or that they’re working with to develop treatments, vaccines and tests.

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JN.1 designated by WHO as separate COVID-19 variant of interest

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.

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Hospital-based Covid-19 transmissions became less serious after Omicron--study

 

Hospital-acquired (nosocomial) COVID-19 transmission was associated with higher rates of 30-day mortality and more severe disease during the early phases of the pandemic, but the risk has lessened in the post-Omicron landscape, according to a new study from JAMA Network Open based on outcomes seen in Sweden during the past 3 years.

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A new COVID variant, HV.1, is becoming dominant in the U.S.

As the United States enters respiratory virus season and health officials roll out updated COVID-19 vaccines, a new COVID variant HV.1 has emerged and is currently sweeping the country.

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