The Western blot test is an antibody test that’s done on a blood sample. It’s used to confirm or disprove the results of an earlier test for HIV or Lyme disease. Technological advances have produced ...

The nuclear stress test can show how blood flows through your heart muscles. This reveals how well the heart pumps blood and areas of your heart muscles that do not get enough blood. Nuclear stress is ...

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 ...

Doctors use Spurling tests to assess possible causes of neck pain. A positive result can indicate a pinched nerve. A Spurling test can help a doctor make a quick assessment about the cause of neck ...

COPENHAGEN/LONDON (Reuters) - For many people worldwide, having cotton swabs thrust up their nose or down their throat to test for COVID-19 has become a routine and familiar annoyance. But two years ...

The World Health Organization's top official criticized some nations for not doing enough to detect and contain the deadly coronavirus that's infected more than 174,000 people across the world. "We ...

A gestational diabetes test checks blood sugar, or glucose, levels during pregnancy. Before the test, people should avoid consuming food and drinks that are high in sugar and simple carbohydrates, as ...

In the first week of January, reports emerged that a mysterious new form of pneumonia had affected dozens of people in China. Some were in a critical condition, and a number had invasive lesions on ...