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The article discusses the importance of proactive biological surveillance in detecting and containing infectious diseases. It emphasizes the limitations of event-based surveillance, which relies on individuals seeking healthcare, and proposes the use of pathogen agnostic wastewater surveillance as a proactive approach. Wastewater testing, coupled with next-generation sequencing (NGS), can detect a wide range of viruses and provide early warning of emerging and novel pathogens. The article suggests the development of national guidelines for pathogen agnostic wastewater surveillance in high-risk areas, such as locations with animal agriculture and international ports of entry. The implementation of such a system would require standardized protocols, bioinformatics pipelines, and interagency collaboration. The article concludes that shifting from event-based surveillance to proactive surveillance will greatly benefit global health and biological defense. [Extracted from the article]