Which country has commenced the world's biggest trial of a blood test where they will detect more than 50 types of cancer?

Which country has commenced the world's biggest trial of a blood test

1.	Which country has commenced the world's biggest trial of a blood test where they will detect more than 50 types of cancer?
Answer» The United Kingdom's state-run National Health Service (NHS) has commenced the world's biggest trial of a blood test where they will detect more than 50 types of cancer.