About this Data

Infected people shed the virus in their faeces about three to five days before showing symptoms. Getting an early signal of infections in an area helps health authorities act early on local measures to limit infection spread

We collect composite wastewater samples over 24 hours from the wastewater treatment plant of Athens. Therefore, our rate of detection of the virus signal in the community is stronger than a single sample in time.

Samples are collected in daily basis from Psyttalia, are transported to the laboratory of Analytical Chemistry (National and Kapodistrian University of Athens) and analysed for a series of analytical parameters, including SARS-CoV-2 genetic material with a validated qPCR method.

The results are visualized to assess COVID-19 trends (reported and unreported) within the community contributing to the sewer system. The data from the wastewater surveillance help the state to understand, and respond to the COVID-19 pandemic.

R codes for modeling wastewater data can be download here

Wastewater treatment plant of Athens
Virus loads per 100,000 inhabitants

Source: National and Kapodistrian University of Athens

Represents an average of 3,7 Million population in Athens


Athens Confirmed COVID-19 Cases

Source: Hellenic National Public Health Organization

About this Data

Infected people shed the virus in their faeces about three to five days before showing symptoms. Getting an early signal of infections in an area helps health authorities act early on local measures to limit infection spread

We collect composite wastewater samples over 24 hours from the wastewater treatment plant of Athens. Therefore, our rate of detection of the virus signal in the community is stronger than a single sample in time.

Samples are collected in daily basis from Psyttalia, are transported to the laboratory of Analytical Chemistry (National and Kapodistrian University of Athens) and analysed for a series of analytical parameters, including SARS-CoV-2 genetic material with a validated qPCR method.

The results are visualized to assess COVID-19 trends (reported and unreported) within the community contributing to the sewer system. The data from the wastewater surveillance help the state to understand, and respond to the COVID-19 pandemic.

R codes for modeling wastewater data can be download here

Delaware City/St. Georges, South of the Canal (excl. Middletown), and Port Penn sampling sites are not included in the Aggregate Sewer System

Latest Virus Levels (viral copies/L) by Sampling Site

Virus Levels (viral copies/L) Trended by Sampling Site

08/13/20: University of Delaware begins sampling.

Shading represents 95% confidence interval.