COVID-19 : HOW TO FIND SILENT SPREADERS ?
The french government has presented its end of lockdown plan on Tuesday 28 April. Among the key measures, "test and isolate" all positive cases. For this purpose the french government is targeting 700,000 RT-PCR assays per week. This number has been sized up to test all new infected people each week as well as their contacts during the two days prior to symptoms. However, only clinical cases (and their contacts) are going to be teste but clinical cases represent less than 10% of all infected people. Most healthy carriers will remain invisible and-as they are also silent spreaders-require to be found. We propose here a testing strategy, combining virologic AND serologic tests, to identify most healthy carriers in a given territory. If generalized, this could make it possible to eradicate covid-19.