The vaccines' cold storage requirements and shipment rules put small, rural communities at a disadvantage, but that's only part of a long-running challenge.

The discovery can help to cure bacterial infections without inducing resistance or causing harm to good bacteria.

Researchers have developed a free, open-source toolkit that allows laboratories in developing countries to produce their own tools for COVID-19 research and

With new US COVID-19 cases topping 200,000 a day, contact tracers are overwhelmed. Here's how infected people can start tracing and notifying contacts themselves.

With new US COVID-19 cases topping 200,000 a day, contact tracers are overwhelmed. Here's how infected people can start tracing and notifying contacts themselves.

Applications and challenges of sensing technology have been accelerated by Covid-19.

As the world waits for vaccines against COVID-19, testing wastewater can give communities and smaller locales, such as school districts, valuable signals about infections trends.

Hospitals are losing staff to quarantines as rural case numbers rise, and administrators fear flu season will make make it worse. And then there's the politics.

More states are adding mask mandates as COVID-19 cases soar. If you’re traveling, shopping or seeing friends and family in person, masks are a crucial protective measure.

More states are adding mask mandates as COVID-19 cases soar. If you’re traveling, shopping or seeing friends and family in person, they're a crucial protective measure.