Coronavirus disease 2019 (COVID-19) is caused by a virus that spreads between people. Find out how to protect yourself and those close to you.

Ebola and COVID-19 are viral diseases with different transmission methods and symptoms. Recent Ebola outbreaks in Africa have heightened global health concerns and prompted stricter surveillance.

The Stratus variant is fueling COVID-19 cases around the country. Symptoms of the virus look slightly different right now. Here, doctors share what to look out for and how to protect yourself from the ...

Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...

Amid the uncertainty surrounding eligibility for and access to the latest Covid-19 vaccine, a new study has found that a common nasal spray could help prevent infection. This randomized ...