Sewer sampling, the authors say, could be expanded to track other infectious diseases such as H5N1 avian flu or mpox or to detect unexpected pathogens.
Plaque growth can lead to a higher risk of heart attack, stroke, and other life-threatening cardiovascular events for as long as 1 year.
Post-exertional malaise, or exercise intolerance, was seen in 36% of those with long COVID.
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Certain psychiatric disorders may predispose fully vaccinated COVID-19 survivors to reinfection.
In China, officials say they will help key industries resume operations in Shanghai.
Rates of upper airway infections (UAIs) such as croup and bacterial tracheitis among pediatric COVID-19 patients, though low, rose after the Omicron variant became dominant in December 2021, with more than one fifth of hospitalized children with both conditions developing severe illness, estimates a study today in JAMA Pediatrics.
In Shanghai, officials maintain no one has died from Omicron—an assertion being challenged.
Compared with a third dose, fourth-dose protection was 64% against severe disease and 76% against death.
In its first evaluation of COVID-19 exposures among US healthcare professionals (HCPs) over the first year of the pandemic, the Centers for Disease Control and Prevention (CDC) reports that most HCPs were likely infected at work rather than in the community.
The CDC extends the mask order for public transit by 2 weeks and revamps international travel alerts.
COVID-19 exposed existing US public health weaknesses, especially along racial lines.
Two new studies describe benefits of the monoclonal antibody (mAb) treatment casirivimab-imdevimab in adult COVID-19 outpatients, both suggesting lower rates of hospitalization, intensive care unit (ICU) admission, and death in an era dominated by the Delta variant.
Researchers say 44% of the population was infected by November 2021, with wide regional variations.
