The test, completed on Wednesday, represents a key step in the development of China's manned lunar exploration program, and ...

This blood test, called CancerSEEK, could cost less than $500, which is comparable to or lower than other screening tests, such as a colonoscopy, according to the study.

The Queens College Step Test is a submaximal exercise test used to assess cardiorespiratory fitness. It involves stepping up and down a 41.25 cm step platform at a set pace for three minutes.

If your test is invalid, you should repeat the whole process with another test. If my results is negative, I am okay to socialise as normal? If you have no symptoms, then yes, but only in theory.