The West has had the highest wastewater detections for most of the summer, but levels have now declined a bit according to the CDC's latest update.
Study suggests medical masks may offer similar protecion as N95 respirators, but experts say hold on.
Public health professionals use some terms imprecisely, others incorrectly, and still others technically accurate but almost sure to be misunderstood by the public.
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The federal pandemic response has grown increasingly divided and political.
Italian clinicians report 10 cases in about a month, a 30-fold increase.
Two of 15 dogs who shared homes with humans infected with COVID-19 in Hong Kong were also infected, according to a study published today in Nature, and a separate study details experimental infections of cats.
Brazil reports 881 new COVID-19 deaths, its highest daily fatality count.
Mathematical modeling explores several scenarios, including a resurgence as late as 2024.
However, two thirds of US adults say it will not be safe for gatherings of 10 or more until midsummer.
In a study yesterday in Morbidity and Mortality Weekly Report (MMWR), researchers describe a COVID-19 super-spreading event at a Washington state choir practice in March, which was attended by a symptomatic index patient and produced an attack rate of 53.3% to 86.7%.
Researchers says there's no question the novel virus originated in nature.
Fauci warns senators that states risk new and worsening COVID-19 outbreaks if they move too fast.
Russia reports almost 11,000 new cases, part of an ongoing surge mainly centered in Moscow.