Association between exposure to air pollutants and hospitalization for SARS-Cov-2: an ecological time-series study.

Background: Exposure to air pollutants and illness by severe acute respiratory syndrome coronavirus 2 (SARS-Cov-2) infection can cause serious pulmonary impairment.

Objective: To identify a possible association between exposure to air pollutants and hospitalizations due to SARS-Cov-2.

Design And Setting: Ecological time-series study carried out in Taubaté, Tremembé, and Pindamonhangaba in 2020 and 2021.

Fine particulate matter and ischemic heart diseases inrelation to sex. An ecological time series study.

Background: Exposure to some air pollutants is associated with cardiovascular diseases. The objective of this study was to quantify the effect of exposure to fine particulate matter in hospitalizations due to ischemic heart disease and the costs to the healthcare system.

Design And Setting: Time-series ecological study conducted in Taubaté, Brazil.