Covid-19 express test
- Brand(s): One Step Covid-19 Test Kit
- Manufacturer: Nantong Egens Biotechnology
- Disease(s): Coronavirus / Covid-19 / SARS-CoV-2 / 2019-nCoV
Express tests for coronavirus work according to the following principle: it is not the virus that is identified, but the presence of antibodies to virus in human.
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One step Covid-19 test kit
In order for the test to show the presence of antibodies in human blood, there must be a certain concentration of them. It is not achieved immediately: the body must produce antibodies for several days. That is why the express test can certainly confirm the presence of coronavirus in the human body later than the molecular test. Due to this, the risk of false negative results of such a test is quite high. A person may already be a carrier of the virus, but there will not be enough antibodies in his body for the express test to work. It must be mentioned that the molecular test does not give a 100% guarantee of virus detection as well - but it is much more reliable than the express test.