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Nasal or Saliva: Which Covid-19 Test is Best?
Whether you're suspecting you may have COVID-19 or planning a trip somewhere, you may be wondering about testing. Who actually needs it, what types of tests are most accurate and which one should you get? Let’s break down the differences so that you can make the best decision that suits you!
About COVID-19 Antigen Rapid Test (Saliva)
Saliva tests are self-administered and use should not eat or drink for 30 minutes before providing the sample. You also should not use mouthwash, chewing gum, tobacco products or nasal sprays. The best time for a saliva test would be in the mornings after an overnight fast.
It is done by combining saliva and the extraction reagent into the extraction tube and adding a few drops of the samples to the test cassette. Saliva tests are generally more comfortable than nasal swabs and just as accurate, but they may not be a good option for those with low saliva production, such as very young children or those who have suffered a stroke.
About COVID-19 Antigen Rapid Test (Nasal Swab)
A nasal swab looks like a long Q-tip. It is inserted about two inches into the nose and swirled around for a few seconds and users may experience a tickling sensation while the swab is in the nose, and after it is removed, the users might sneeze or have runny eyes for a moment or two. However, we’ve come a long way from the deep nasal swabs that can be uncomfortable. They are more comfortable nowadays than before.
Nasal swabs are fast and accurate. There are no restrictions on eating, drinking, chewing gum, using mouthwash and more. Which means anyone can use it anytime and anywhere without worrying about the accuracy of the test.
Both types of tests are accurate, reliable and approved by the Medical Device Authority (MDA). While saliva tests are easier compared to nasal tests, the users have to ensure that they do not eat, drink, chew gum or brush teeth for 30 minutes before providing the sample. If you want fast and accurate test results without any restrictions, then the nasal test is the best option for you.
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