To collect a throat sample, stick out your tongue, find your tonsils, and swab back and forth. Swab your throat before your nose! Wash your hands and refrain from eating or drinking for 30 minutes ...

Testing for tuberculosis has always been a tedious and complex process. For many years, it meant expensive equipment and ...

Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...

Not sure what's causing your child's asthma? A new quick-and-easy nasal swab test for kids can diagnose the specific immune system drivers behind their asthma, potentially opening the door to better ...

A new, non-invasive nasal swab test for kids that diagnoses specific asthma subtype, or endotype, could help clinicians prescribe medications more precisely and pave the way for research toward better ...