News-Medical.Net January 12, 2026
By reconstructing the early spread of COVID-19 and pandemic influenza, researchers reveal why chance events, travel hubs, and delayed detection make stopping new pandemics far harder than expected, and what surveillance strategies might help next time.
*Important notice: medRxiv publishes preliminary scientific reports that are not peer-reviewed and, therefore, should not be regarded as conclusive, guide clinical practice/health-related behavior, or treated as established information.
Pandemic respiratory viruses rapidly reach most metropolitan areas through distinct transmission pathways; however, unpredictable viral dynamics often limit their timely detection and containment. In a new study posted on the medRxiv preprint server, researchers use high-resolution disease data to reconstruct the spatial spread of pandemic respiratory viruses across metropolitan areas throughout the United States.
Understanding...
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