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Serological tests: reliability still too imperfect against coronavirus

2020-05-22T16:44:01.245Z

In France, the French National Authority for Health has set a rule that tests are more than 98% specific.The performance of serological tests is still insufficient to envisage mass screening of the French population. It is therefore not serious to use them to welcome your grandchildren or to organize a party with friends, without the risk of spreading the virus. Read also: Coronavirus: the greatest caution is required with serological tests In France, the French National Authority for Health (HAS) ...



The performance of serological tests is still insufficient to envisage mass screening of the French population. It is therefore not serious to use them to welcome your grandchildren or to organize a party with friends, without the risk of spreading the virus.

Read also: Coronavirus: the greatest caution is required with serological tests

In France, the French National Authority for Health (HAS) has set a rule that tests are more than 98% specific, that is to say that they detect Sars-CoV-2 well and nothing else, such as a classic cold, for example, in 98 out of 100 cases. And they must be at least 90% sensitive to the coronavirus. These performances indicate that 2 people out of 100 could be “false positive” (announced in error as having been in contact with the disease) and one in ten would be a “false negative” (diagnosed as not having been contaminated, whereas it's the contrary).

"In the current state, we cannot be in a logic of systematic screening of the population with serological tests", confirms Dr. Cédric

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Source: lefigaro

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