the geographical distribution of probable covid-19 patients transferred by tehran emergency medical services; a cross sectional study

Introduction: mapping of covid-19 infection in the city can help us know more about how the disease is distributed and spread. this study was conducted to investigate the geographical distribution of probable covid-19 patients who were transferred to destination hospitals by emergency medical services (ems) in the first wave of the epidemic, in tehran, iran.methods: this cross-sectional study was performed based on recorded missions during the first 3-month period of the pandemic in tehran, iran. all probable cases of covid-19 who were transferred to the hospitals following contact with tehran ems during the study period were enrolled. arc-gis software was utilized to draw the distribution map of the contact places of the cases.results: in this study, the data of 4018 patients were analyzed (60.9% male). the mean age of the patients was 54.1 ± 20.7 years; and the mean age of the patients had increased with time during the studied 3 months (p = 0.003). the average incidence rate of this disease in tehran during the study period was 4.6 per 10,000 population. generally, the lowest and highest raw frequencies of tehran covid-19 contamination were seen in municipal districts 21 and 4, respectively. the raw frequency of cases during the 3-month study period also showed that the highest number of cases in tehran occurred in municipal districts 5 and 4, respectively.conclusion: in the present study, using geographic information systems (gis), geographical distribution map of covid-19 in tehran, iran, during the first 3 months of the pandemic was drawn.