BOSTON (CBS) - A Carlisle man tells WBZ he thought a negative rapid 15-minute Covid-19 test was all he needed to avoid quarantine after vacation. But he was not all set. While the FDA said positive ...

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 ...

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 ...

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 ...

What does it mean if a person’s rapid antigen test result comes back positive after five days of isolation due to COVID-19? According to the experts, that person is most likely still carrying a viral ...

KANSAS CITY – During the coronavirus (COVID-19) pandemic, it is not surprising to see the priorities of consumers – when it comes to the safety of their food – are higher than ever before. Even with ...

At-home PCR tests are just as accurate as those done in a lab. At-home antigen tests are more budget-friendly and give results quicker, but there is a greater chance of a false negative. As of ...