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Umatilla County saw one of the largest spikes in daily coronavirus cases this week with an average of 44 cases per day, the second most in Oregon, as the county’s top health official cited workplace outbreaks spurred by sick employees returning to their jobs as a major contributor.A county commissioner said some people also are…

Rhesus macaques are often used in scientific experiments because of their similarities to humans Test monkeys infected with the novel coronavirus responsible for the COVID-19 pandemic were protected from reinfection for up to 28 days later, a Chinese study out Thursday in the journal Science said. While the monkeys displayed initial immunity, it's unclear how…

Washington (AFP) - Test monkeys infected with the novel coronavirus responsible for the COVID-19 pandemic were protected from reinfection for up to 28 days later, a Chinese study out Thursday in the journal Science said.While the monkeys displayed initial immunity, it's unclear how long such immunity will last in humans - it will be necessary…

Nearly 25 million Americans may have contracted the coronavirus, a figure 10 times higher than the number of confirmed cases, the Centers for Disease Control and Prevention (CDC) said Thursday.In a briefing with reporters Thursday, CDC Director Robert Redfield said surveys of blood samples taken from around the country suggest that millions of Americans may have…

Children and teenagers are only half as likely to get infected with the coronavirus asadults age 20 and older, and they usually don’t develop clinical symptoms of covid-19, the disease caused by the virus, according to a study published Tuesday.The findings could influence policymakers who are facing tough decisions about when and how to reopen…