According to CNBC, a new tool developed by researchers at Johns Hopkins University estimates that the 2025 US measles outbreak involved 2,289 confirmed cases, with economic costs exceeding $37 million, encompassing public health responses, productivity losses, and direct medical expenses. The report emphasized that this is a data-driven estimate rather than a final accounting of actual outbreak expenditures; it belongs to a different year than the separate 2026 cost estimates cited in the report.