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COVID-19 research disruptions

The impact of the COVID-19 pandemic on cancer research, including interruptions to clinical trials and lab work

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Feb 7, 2026

What do cancer registries show about cancer incidence trends before and after 2020?

Population-based cancer registries show steady, long-term shifts in before 2020—declines or stabilization for many male-dominant cancers and small increases for women—but a distinct, in reported new d...

Feb 5, 2026

How long of a diagnostic delay (weeks to months) has been associated with worsened outcomes in melanoma or squamous cell carcinoma in published studies?

Published research consistently ties to worse outcomes for squamous cell carcinomas (SCC)—both and —while precise “danger thresholds” vary by study and clinical context; notably several analyses ident...