The Covid-19 pandemic has shown how the mutation of a common virus can topple the world economy in a few weeks and how public policies must react quickly to limit and even avoid such a collapse. The existing ‘In Vitro Diagnostic’ (IVD) ICT technology has not always been reliable. Asynchronous Contact Tracing (ACT), standardized in ETSI SmartM2M Technical Committee, offers a reliable solution to detect pathogens.