"Have 30% or 80% of the population been in contact with the virus in their homes? How does the Sars CoV-2 circulate? ” , wonders Marc Eloit, head of the team that tracks new pathogens at the Institut Pasteur. Answers are awaited thanks to a serological test being developed in France. Because it is not possible to pass everyone the reference test, which uses the virus detection technique called PCR.
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The serological test, according to the researcher, "is a very interesting method to determine if people have been in contact with the disease even if they have not developed clinical signs" , because they were "asymptomatic". "This is an a posteriori detection of the antibodies produced by a person infected with a pathogen," he continues . It takes ten days after infection for the body to produce them. ” It obtained initial funding from Reacting, a consortium of research organizations in France, coordinated
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