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The school requires each student, faculty, and staff member to be tested twice per week and sends the results straight to their cell phones.

A study of Nicaraguan children links prior Zika virus infection with aggravated dengue fever symptoms.

Some critically endangered animals are on the list.

Excess of the inflammatory molecule bradykinin may explain the fluid build-up in the lungs of patients with coronavirus infections. Clinical trials of inhibitors are putting this hypothesis to the test.

Officials had initially linked 97 cases to a single conference held by Biogen in February in Boston, but a new study tracking viral genomes suggests the number may be as high as 20,000.

The category 4 storm made landfall on the Gulf Coast early this morning. Evacuation orders have students heading for safety.

So far, there are three patients known to have been infected with SARS-CoV-2 twice, and in at least one case the second time around was asymptomatic.

An absence of germinal centers—which arise during infections to produce long-lived antibody-generating cells—might explain rapidly waning antibody levels in the disease.

White House officials hail convalescent plasma as a major breakthrough, but scientists say evidence supporting its effectiveness is still lacking.

There have been no reports of health or environmental harm in other locations where genetically modified mosquitoes have been introduced over the last decade.

Thousands of acres have burned across the northern part of the state, forcing the evacuation of the University of California, Santa Cruz, and posing a serious threat to Lick Observatory.

Unable to travel to international or remote sites, some researchers are losing critical data.