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.
A third of Americans surveyed in a new poll from researchers at Ohio State said they do not believe they need vaccines for the flu or COVID-19 this season because they do not consider themselves high risk for complications from the viruses. ...
The brain may be especially vulnerable to COVID because the disease appears to weaken the blood-brain barrier, which usually protects the organ from both germs and the immune cells that follow them.
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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