The preventive measures put in place to limit the spread of COVID-19 include procedures developed to reduce the risk of transmission of SARS-CoV2.
Initially, emphasis was placed on the identification and isolation of imported cases. Once transmission from the local community was reported, surveillance was strengthened to identify cases, including cases that had never traveled to the affected areas or previous contact with infected people.
Secondly, the basic measures applicable to all workers with three components.