Medically reviewed by Kate Colby, MPHYou may get a PCR test, which can show a positive result for up to three months after recovery. If you take a rapid antigen test, it may not detect COVID after ...

Here's what to know about the latest COVID strain - and how to tell if your at-home test is still good to use.

Used with the cobas® 5800, 6800 and 8800 systems, cobas Respiratory 4-flex simultaneously detects and differentiates the four most common respiratory viruses, helping to ensure confidence in diagnosis ...

Azelastine nasal spray is associated with a reduced risk for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection.

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

At the start of the SARS-CoV-2 pandemic people who felt unwell had to join long queues for lab-based PCR tests and then wait for two days to learn if they were infected with the COVID-19 virus or not.

An everyday hay fever spray may do more than tame sneezes. In a rigorously run German trial, adults who used azelastine nasal spray three times a day were less likely to catch COVID-19 than those who ...

Purdue University has received $2.7 million in federal funding from the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) to develop a field test that can measure and ...

The trial, led by Professor Robert Bals, Director of the Department of Internal Medicine V at Saarland University Medical Center and Professor of Internal Medicine at Saarland University, divided the ...