Here's what to know about the latest COVID strain - and how to tell if your at-home test is still good to use.

A common nasal spray may lower the risk of getting Covid-19, a new study shows. Dr. Leana Wen discusses what this all means as coronavirus cases rise.

Amid the uncertainty surrounding eligibility for and access to the latest Covid-19 vaccine, a new study has found that a ...

A feasibility study in Germany found that concertgoers strongly supported medical detection dogs for COVID-19 screening, with ...

Health officials at WHO and Africa CDC are frank that case numbers may rise in the  coming days as teams move from ...

Department of Veterinary Sciences, Ludwig-Maximilians-Universität München, Munich, Germany ...