Answer:
PCR (polymerase chain reaction) test: This is the most widely used test for COVID-19. It involves collecting a nasal or throat swab from the patient, which is then sent to a laboratory for analysis.
Rapid antigen test: This is a quick and inexpensive test that can be done at the point of care, such as in a doctor's office or a pharmacy.
Antibody test: This test looks for antibodies that the body produces in response to the virus. It can be done using a blood sample.
Step-by-step explanation: