In patients with COVID-19, preexisting immunity and Omicron infection were associated with reduced disease severity and upper respiratory symptom presentation.

Parts of the North Cascades and Mount Baker are facing an outbreak of the western spruce budworm, aerial surveys reveal. The ...

Once again, a new strain of COVID has hit the country, and that includes Rhode Island. According to the Centers for Disease ...

COVID-19 has largely dropped out of the headlines, but the virus that causes it is still circulating. We ask what we should know about a new variant of SARS-CoV-2, the state of the COVID-19 pandemic ...

According to research from Washington State University, HKU5-CoV-2 can replicate in human gut and airway cells and may be capable of infecting a wider range of animals than Covid-19. A slight ...

The Food and Drug Administration said Wednesday it was expanded existing warnings on the two leading COVID vaccines about a ...

From the first reported case of AIDS to the present, what is the history of HIV-AIDS and are there parallels to the COVID-19 pandemic?

The new COVID-19 variant, called nimbus, has similar symptoms and recovery to the Omicron strain. Costa Rican court orders ...

Controversy surrounds the Advisory Committee on Immunization Practices’ (ACIP) first meeting under new leadership as vaccine skeptics join the panel.