A COVID-19 Test detects the presence of the SARS-CoV-2 virus, which causes COVID-19. This test is essential for diagnosing infections, monitoring symptoms, and preventing the spread of the virus.
Types of COVID-19 Tests:
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RT-PCR Test:
- Highly accurate molecular test that detects viral RNA.
- Requires a nasal or throat swab.
- Results are typically available within a few hours to a day.
-
Rapid Antigen Test:
- Detects viral proteins for quick results (within minutes).
- Useful for screening but may require confirmation with an RT-PCR test.
-
COVID-19 Antibody Test:
- Detects past infections by identifying antibodies in the blood.
- Not used for diagnosing active infections.
Why is it Done?
- Diagnose current COVID-19 infections.
- Confirm exposure to the virus.
- Fulfill travel or workplace requirements.
- Monitor recovery from COVID-19.
Preparation:
- For PCR and antigen tests, avoid eating or drinking 30 minutes before a throat or saliva swab.
- Follow testing guidelines provided by healthcare authorities.
Early detection of COVID-19 is key to preventing its spread and ensuring timely medical care.
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