Crowdsourced Surveillance

By Tolbert Nyenswah

One of public health’s leading figures discusses his role in combating the 2014-2016 Ebola epidemic in Liberia. Tolbert Nyenswah covers what “surveillance” entails during a time of crisis, how to set up a data collection system and the challenges involved, and the steps public institutions can take to detect and isolate cases and contain the spread of COVID-19.

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