Mutations

Study: Hospital-based COVID-19 less serious after Omicron Wavebreakmedia/ iStock CIDRAP

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.

...

Study: 1 in 7 Americans have had long COVID iStock CIDRAP

A new investigation led by researchers from the University College London and Dartmouth College suggests 14% of Americans had long COVID by the end of 2022. The details of the investigation are published in PLOS One.

Moreover, Americans who report having experienced long COVID said they also experienced more anxiety, low mood, and difficulty with memory. ...

A new Covid variant has become dominant amid slow uptake of the updated shots The HV.1 variant took over this week as the dominant variant in the U.S., but just around 3.5 % of the population has received an updated Covid shot thus far. NBC News

...

Why the new COVID shot is a game-changer (and why the term ‘booster’ is obsolete) The latest vaccine formula is available in local pharmacies now. Experts say it will be like the annual flu shot: one and done. Here’s why. Science

...