While sewage surveillance is not a new concept, testing a community’s wastewater has become much more common in the age of Covid to identify spikes in infection. The data is not reliant on how many people have insurance or how many choose to get tested. So, is sewage surveillance the great equalizer of disease identification? What are its applications beyond Covid? We speak with Newsha Ghaeli, president and cofounder of Biobot Analytics, about the inclusive and comprehensive benefits of water epidemiology.