Several research groups, including teams in the United States, Canada and the Netherlands, are working on nasal coronavirus vaccines. The hope is that mucosal vaccines will do all that their intramuscular competitors can and more, mounting a multipronged attack on the coronavirus from the moment it tries to breach the body's barriers, said Deepta Bhattacharya, an immunologist at the University of Arizona.

A collaboration between a doctor and an optical engineer makes handheld skin cancer “mapping” possible in the clinical setting.

A heat wave swept through much of the United States this week, with some of the highest temperatures forecasted in Southwestern states battling some of the most troubling coronavirus outbreaks in the country. "In the context of this escalating pandemic, weather is pretty far down on the list of things that influence spread," said Katherine Ellingson, an assistant professor of epidemiology at the University of Arizona.

Amanda Wilson, an environmental health sciences doctoral candidate in the Mel and Enid Zuckerman College of Public Health, is lead author on a recent study published in the Journal of Hospital Infection that assessed the ability of a variety of nontraditional mask materials to protect a person from infection after 30 seconds and after 20 minutes of exposure in a highly contaminated environment.

You may need a vacation, but the virus that causes COVID-19 isn’t taking one. How to evaluate the risks of travel in a pandemic.

Dr. Chen wants to unlock the secrets of the lungs to treat health issues afflicting people for millennia, as well as the one devastating our world now.

Researchers study the effectiveness of different materials for homemade facemasks to provide guidance for the public.

Doctors say they are seeing a sharp increase in young patients with COVID-19, and health experts are urging young people to take the virus seriously. Some state and federal officials have put the rise in U.S. cases down to increased testing. But Katherine Ellingson, an infectious disease epidemiologist at the University of Arizona, said this is definitely not the case in Arizona, where she said "the rise in COVID testing has not kept pace with the rise in cases."