Hepatitis C is a tiny virus with a significant impact. It's a small RNA virus that spreads through the blood and infects the liver. Even though today's medicines can cure it, hepatitis C remains a ...

FORT LAUDERDALE, Fla. — With COVID-19 cases on the rise, taking an easy-to-get rapid test can give you quick results. But the timing has become tricky. If you have COVID symptoms, such as fever, cough ...

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 ...

With Omicron surging in the United States, many people are taking COVID-19 tests to see whether they test positive. Most people will take either a rapid antigen or PCR test. Though the PCR test is ...

A false positive result is possible with a rapid COVID-19 test. It happens when a person does not have COVID-19 but still tests positive for the disease. People can use a rapid COVID-19 test at home ...

For instance, if you only get a very faint line, it might be hard to know whether or not that means your results are positive. I know how that feels firsthand. After more than two years of evading ...

Rapid COVID tests are convenient and easy to use because you can take them at home. But it's important to know how to interpret their results, when you should take another rapid test and when you ...

To quickly confirm an asymptomatic case of COVID-19, a second rapid test within an hour of a positive result can boost the accuracy of the result from 38 percent to 92 percent, according to a new ...

Researchers have developed a new rapid sputum-based test that can identify the presence of a key driver of severe asthma, white blood cells. A simple, rapid testing device has the potential to detect ...