PMID- 37030601 OWN - NLM STAT- MEDLINE DCOM- 20230427 LR - 20230427 IS - 1873-6424 (Electronic) IS - 0269-7491 (Print) IS - 0269-7491 (Linking) VI - 327 DP - 2023 Jun 15 TI - Long-term exposure to air pollution and COVID-19 severity: A cohort study in Greater Manchester, United Kingdom. PG - 121594 LID - S0269-7491(23)00596-1 [pii] LID - 10.1016/j.envpol.2023.121594 [doi] AB - Exposure to outdoor air pollution may affect incidence and severity of coronavirus disease 2019 (COVID-19). In this retrospective cohort based on patient records from the Greater Manchester Care Records, all first COVID-19 cases diagnosed between March 1, 2020 and May 31, 2022 were followed until COVID-19 related hospitalization or death within 28 days. Long-term exposure was estimated using mean annual concentrations of particulate matter with diameter