https://www.mercurynews.com/2020/05/07/coronavirus-tests-what-are-they-how-can-you-get-one/ > After major shortages and glacial delays, two different types of COVID-19 tests are now becoming more widely available at hospitals, clinics, and at academic, commercial, and public health laboratories across California. They detect different aspects of the disease. > One type of test tells you: Do you have the virus now?