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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An estimated 68,315 hospitalizations, 13,108 ICU admissions, and 5,301 in-hospital deaths may have been prevented.
Immunity after infection with pre-Omicron strains was 81%, regardless of symptoms, compared with 54% for Omicron.
Overall, 45.8% of COVID-19 hospital admissions and 51.2% of admissions for other respiratory viruses received at least one dose of antibiotic from March 2020 through December 2023.
President Javier Milei says the WHO promoted "endless quarantines" without scientific support during the pandemic.
In total, 5% of dogs and 13% of cats tested positive for COVID-19 on polymerase chain reaction, and 25% and 36%, respectively, had SARS-CoV-2 neutralizing antibodies.
In 2023, 1.4% of children surveyed had ever experienced long-COVID symptoms.
Using scarce resources and staff on questionable measures could distract from evidence-based methods such as vaccination and antiviral therapy, the authors say.
The highest rates of influenza A/B (21%), influenza A (17%), and influenza B (20%) were observed in Asia and Europe.
Sixteen more flu deaths were reported in children, with virus activity at high or very high flu levels across much of the nation.
Senators pressed Robert F. Kennedy Jr. on past statements he's made suggesting a link between autism and the MMR vaccine.