Are corona tests reliable?
The RIVM states that testing for COVID-19 is an important tool in the control of the coronavirus. Based on the test results, progress in the fight against the virus is measured.
The National Coordination Structure for Test Capacity (LCT) and the RIVM is investigating how reliable coronate tests are. They are assessing whether the tests can be used and for whom. New (rapid) tests are only used if they can be done quickly, safely, and reliably. Before the tests are approved, a great deal of research has been done to ensure that the test results provide sufficient certainty.
Weakly positive results
However; even small amounts of genetic material from the coronavirus can cause a positive test result. This is called a weak-positive result. This can occur when:
- one has only just been infected;
- the test was not administered properly;
- the contamination took place in the past.
In general, the result of any test is more reliable at the time when you have just developed symptoms. Since December 1, 2020, even people who have no symptoms can get tested during their quarantaine from day 5.
Source: Ruben Mersch. How does the corona test work? The Correspondent..
September 14, 2020
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