French testing system missed 9 of 10 COVID-19 cases after first lock-down
French testing system missed 9 of 10 COVID-19 cases after first lock-down On December 21, Nature published a peer-reviewed accelerated article titled, “Under-detection of cases of COVID-19 in France threatens epidemic control.” In the paper, epidemiologists and data scientists led by Giulia Pullano use mathematical modelling to chart the estimated spread of the virus in France over seven weeks—from the end of lock-down measures, on May 11, to June 28. They compare this estimated spread of the virus to the recorded cases to measure the effectiveness of France’s test and trace system i...
Source: wsws.org