COVID-19 is a respiratory disease that can cause severe illness, especially in people with preexisting health conditions like diabetes, obesity, or high blood pressure. Types of COVID-19 tests Two types of tests are commonly used to identify a current infection of SARS-CoV-2, the coronavirus that causes COVID-19. The first type is molecular test. Molecular tests include nucleic acid amplification tests (ตะเข็บ) เช่น …