Impact of the Covid-19 pandemic on the epidemiological weekly report surveillance system of Mexico; [Impacto de la pandemia de Covid-19 en el sistema de vigilancia epidemiológica semanal de México]
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Objective. To quantify the impact of the Covid-19 pandemic on the reporting rate of notifiable diseases in Mexico between 2020-2022. Materials and methods. Data were obtained from the Weekly Epidemiological Bulletin of the Ministry of Health of the Government of Mexico for the period 2014-2022. One hundred thirty-two endemic channels were created by calculating the weekly percentiles 25th, 50th, and 75th for the period 2014-2019. Subsequently, data recorded between 2020-2022 were compared, determining if more or fewer cases were reported than expected. Pre-pandemic data tendency was considered. Results. The study included 132 diseases from 2014 to 2019, reporting an annual median of 49 947 420 cases. In comparison with the data reported between 2014-2019, there was a decrease in the reported cases of 39.9%25 in 2020, 19.7%25 in 2021, and 25.7%25 in 2022. Thirty-one diseases increased their reporting, while 101 decreased. Of the diseases that increased, seven were sexually transmitted, 13 were infectious, and five were chronic-metabolic. Conclusions. The pandemic has significantly impacted the landscape of mandatory notifiable diseases in Mexico. The pandemic has led to modifications in the epidemiological trends of disease reporting.
