Coronavirus testing is ramping up. Here are the new tests and how they work.

, private labs and companies are developing new tests to detect SARS-CoV-2, the virus that causes COVID-19. Some of these tests are designed to detect the virus without having to send samples to centralized laboratories. Others are blood tests that are meant to reveal whether someone has been exposed to the coronavirus in the past, even if they aren't currently sick. The emerging array of tests can be hard to keep straight. Below, we break down the different types of tests and highlight some of the new tests that are slowly becoming available. LiveScience