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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Moreover, the study shows the spike protein's affinity for type A cells may be amplified by the Omicron strain of the virus.
Scientists find 4 species of coronaviruses, including 2 novel ones, in UK bats, but experts say they pose little risk to people.
More than 1 million COVID-19 cases were confirmed in Hong Kong when Omicron swept through a largely immune-naïve population.
Long COVID was reported in 64% of patients at 1 year, but it wasn't tied to a history of tropical diseases, including dengue, malaria, and Zika.
The findings suggest COVID-19 does long-term damage to the male reproductive tract.
The reports shed little new light on the origins of the pandemic.
Twenty-six percent of patients with non-mild COVID-19 cases report frequent pain.
No transmission was detected when both the infected person and the household contact were vaccinated against COVID-19.
Globally, more than 1.2 million new cases and more than 7,100 deaths were reported in the past 28 days.
Excess mortality suggests that the true death toll of the pandemic is much larger than indicated by official COVID-19 deaths alone.
