A simple spray could keep COVID-19 away Johns Hopkins engineers have developed a method to prevent harmful viruses from entering the lungs, blocking the spread of COVID-19 and influenza with a nasal ...

If people washed their hands regularly, wore masks, and kept their social distance from each other, these three simple behaviors could stop most all of the COVID-19 pandemic, even without a ...

A simple, scratch-and-sniff test could play a key role in curbing the spread of COVID-19, at a fraction of the cost of high-tech tests that are difficult to scale and take longer to return results, ...