The risk of a person contracting an infectious disease in New Haven, CT is almost always directly related to the amount of that disease in the community. The incidence infectious disease in a city can be tracked by measuring the concentration of pathogens shed into that community's wastewater. This practice is called wastewater-based epidemiology, and this site provides the daily infection dynamics of important respiratory disease in New Haven, Connecticut, USA. We identify when outbreaks occur and when outbreaks recede. This data is updated weekly, is freely available. Health authorities, business, churches, schools, hospitals and especially the general public can use this information to identify currently circulating diseases and better manage our risk.