Taking a COVID-19 test at home seems simple enough: If you get a line, you're positive for the coronavirus. But what if your results aren't so obvious? For instance, if you only get a very faint line ...

Last week, I was about to go on a date, and because I'm severely immunocompromised, we agreed he would take a COVID test using one of my rapid home PCR tests. It was a courtesy—he felt perfectly fine— ...

Knowing what viral infection you have can mean getting the right antiviral medication and taking the right precautions, ...

At a time of rapid technological change, 8th graders are less likely to say they “definitely can do” many science-related ...

Daily squirts of a safe, over-the-counter allergy nasal spray may prevent COVID-19 infections from taking hold, according to ...

A phase 2 study shows that azelastine nasal spray lowered coronavirus infection rates to 2.2% compared to 6.7%, researchers ...

An everyday hay fever spray may do more than tame sneezes. In a rigorously run German trial, adults who used azelastine nasal ...

Examining these changes provides insight into how one of the UK’s most heavily regulated sectors navigated an unprecedented ...

It's hard to predict COVID infections, but rates are high and growing throughout the country. Here’s what you should do to ...

Researchers at Arizona State University have developed a breakthrough diagnostic tool that could transform how quickly and reliably we detect illnesses like COVID-19, Ebola, AIDS or Lyme disease. The ...

Researchers determine the efficacy and safety of azelastine nasal spray for preventing SARS-CoV-2 infection in healthy adults ...

Arizona State University scientists have unveiled NasRED, a revolutionary one-drop blood test that can detect diseases like COVID-19, Ebola, HIV, and Lyme with incredible speed and precision. Using ...