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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COVID-19 patients had 4 times the risk of mechanical ventilation and double the risk of ICU care.
Experts estimate that nearly a fourth of the world's people may not have access to a vaccine till at least 2022.
About 2 in 10 US school districts have said they will continue, or are considering continuing, distance learning after the COVID-19 pandemic ends, citing student and parent demand, according to a Rand Corporation study released yesterday.
Data show the vaccine protects against severe disease and may protect against asymptomatic infections, too.
Maximizing vaccine uptake includes setting examples, effective messaging, and apps to encourage the 2nd dose.
Officials noted more than 4.3 million new global infections in the past week, a 4% increase.
Investigators with the United Kingdom's RECOVERY trial reported yesterday that a preliminary analysis of data from the azithromycin arm of the trial showed the antibiotic had no impact on clinical outcomes in hospitalized COVID-19 patients.
Vaccine arrived at 145 centers today, and 425 sites will get deliveries tomorrow.
Political affiliation appears to have more impact than local disease spread in 2 new studies.
Other regions considering further measures include London, Germany, Italy, and the Netherlands.
