What is the difference between PCR and rapid Covid test?
“Unlike the PCR test, the antigen test can only determine if you have an active virus in your body. The rapid test can’t detect small amounts of the virus or asymptomatic cases as accurately as the PCR test can,” Heather said. The rapid test is less accurate and there is a greater chance for a false negative.
How is a PCR test done in South Africa?
To diagnose an acute infection a test (PCR) is used which picks up the presence of the virus by looking for the genetic material of the virus. For this test we will collect a throat and/or nose swab or other type of sample and forward it to our laboratory for testing.
How long does PCR test take South Africa?
PCR is gold standard for COVID-19 testing. Molecular method that that detects genetic material from the virus and is very accurate but results take about 24 hours. Antigen tests are cheaper and give a result in about 15 minutes but are less accurate.
What tests are reliable for Covid?
RT-PCR tests are very accurate when properly performed by a health care professional, but the rapid test can miss some cases. Antigen test. This COVID-19 test detects certain proteins in the virus. Using a long nasal swab to get a fluid sample, some antigen tests can produce results in minutes.
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