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Healthcare activity as a major risk of dying of COVID-19: medical doctors pay the price

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Dear Editors, We recently read the interesting article by Wang et al. on the spatio-temporal characteristics of the COVID-19 epidemic in the United States; they reported that COVID-19 cases diagnosed… Click to show full abstract

Dear Editors, We recently read the interesting article by Wang et al. on the spatio-temporal characteristics of the COVID-19 epidemic in the United States; they reported that COVID-19 cases diagnosed in the United States displayed statistically significant differences related to geographic and socio-demographic factors, including rural/urban context, the percentage of ethnic minorities, the percentage of the population aged 65 years or more etc [1]. However, they failed to report another important factor: the role of working activity. In Italy, COVID-19 mortality among medical doctors has been significantly higher than nurses or pharmacists. Indeed, at 1 March 2021 332 deaths have occurred among 403,454 medical doctors [2, 3], 81 among 426,707 nurses [4], and 23 among 127,513 pharmacists [5]. Two-tailed Chi-square test reveals statistically significant differences in COVID19-related mortality, with a p value < 0.00001, between physicians and nurses (Chi-square test value with Yates correction: 165.8748) (relative risk > 1 = 4.33) and between medical doctors and pharmacists (Chisquare test value with Yates correction: 58.9093) (relative risk > 1 = 4.56). In addition, in the 25-70-year age-range, on comparing COVID-19 mortality among medical doctors (240/358161) [3] and in the general population (12500/35665609) [6], the Chi square test and relative risk yielded values of 102.3566 and 1.91 respectively, confirming the higher COVID-19 mortality risk among medical doctors than in the general population in this age range. Moreover, a study on serum conversion to COVID-19 in Italy showed conversion in 2.5% of the general population and in 5.6% of healthcare personnel [7] indicating increased circulation of the virus in healthcare workers than the general population in the first pandemic period. In conclusion, the Chi square test, and relative risk have demonstrated that medical doctors have a higher risk of dying from COVID-19 than nurses, pharmacists and, in the 25-70-year age range, also versus the general population. Interestingly, the same results have been obtained in the USA and other countries. This is a major problem and one that could be tackled through extensive vaccination of the general population and healthcare personnel. In this regard, a particular effort should be made to convince skeptics that COVID-19 vaccination is of crucial importance not only to the individual but also to the community.

Keywords: medical doctors; risk; general population; chi square; healthcare

Journal Title: Journal of Preventive Medicine and Hygiene
Year Published: 2021

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