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.

Juan Pablo GutierrezDaniel LópezIván AscencioArturo JuárezGustavo OlaizStefano M Bertozzi

Published in: BMJ open (2023)

Data suggest that the decrease in COVID-19 fatality rate is at least partially explained by a change in the profile of those contracting the disease, that is, a falling proportion of individuals with comorbidities across all age groups.

Keyphrases

sars cov
respiratory syndrome coronavirus
coronavirus disease
electronic health record
machine learning
data analysis