Sentinel Surveillance of SARS-CoV-2 in Wastewater Anticipates the Occurrence of COVID19 Cases

June, 2020

SARS-CoV-2 was detected in Barcelona sewage long before the declaration of the first COVID-19 case, indicating that the infection was present in the population before the first imported case was reported. Sentinel surveillance of SARS-CoV-2 in wastewater would enable adoption of immediate measures in the event of future COVID-19 waves.