Image (IMAGE) CNRS Caption Pooling in a school/university setting: saliva or nose samples from students sharing the same classroom/student residence are pooled in a single tube; the virological status of the mixture is assessed by a single molecular test (RT-qPCR or RT-LAMP). A positive test indicates that at least one individual is infected with CoV2-SARS, allowing early action to be taken to contain an outbreak. The screening process can be repeated on a regular basis. Credit Jean-François Rupprecht, the Centre for Theoretical Physics (CNRS/Aix-Marseille Université/Université de Toulon). Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.