Evidence suggests that COVID-19 is primarily an airborne disease. Yet the details of how transmission occurs are still debated and frequently misunderstood.

The masks contain freeze-dried, cell-free biosensors, enabling them to detect pathogens including SARS-CoV-2.

A proof-of-concept study finds some commonly used facial coverings may perform worse than no mask at all.

As communities and businesses reopen amidst the pandemic, masks—in addition to other social distancing measures—are crucial for preventing new outbreaks.

Not all masks are created equal, and how they are worn makes a difference too.

Vaporized hydrogen peroxide is the most effective decontamination method for masks that had been exposed to the coronavirus in a recent study.

A large-scale shortage of respirators and face shields threatens progress in some labs that are currently trying to ramp up their studies of SARS-CoV-2.