Adaptive Fourier decomposition-based time-frequency analysis of COVID-19 epidemic trends and policy interventions in Washington D.C., with comparative validation in London.

J Thorac Dis · 2026 · PMC13358828 · PMID 42444945

Europe PMC DOI

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closest p

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highly significantno p-value reported

A two-sided P value <0.05 was considered statistically significant, and P<0.01 was considered highly significant where applicable.

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