Changes in the epidemiological profile of SARS-CoV-2-positive individuals in Mexico across pandemic waves as an explanation of fatality reduction: a retrospective observational study.

BMJ Open · 2023 · PMC10230345 · PMID 37221025

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a negative trendno p-value reported

As with hospitalisation, there is a negative trend for all age groups across the analytical period, with increases at the beginning of waves 2 and 3.

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