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Journal of Health Sciences and Surveillance System، جلد ۱۱، شماره ۱ (Supplement)، صفحات ۱۵۶-۱۶۳
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عنوان انگلیسی Active Monitoring of Persons Exposed to Patients with Confirmed COVID-19 in South of Iran
چکیده انگلیسی مقاله Background: Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) can be transmitted through direct, indirect, or close contact with infected people by contaminated respiratory droplets or saliva. This study aimed to investigate the epidemiology of coronavirus disease 2019 (COVID-19) and the secondary attack rate (SAR) in the cases’ close contact.Methods: A total of 431 confirmed COVID-19 patients were randomly selected using systematic random sampling from 15 May to 13 June 2020. The required data were extracted from the CORONALAB database of the Center for Disease Control and Prevention (CDC) at Shiraz University of Medical Sciences. Detection of COVID-19 was performed using Real- Time Polymerase Chain Reaction (RT-PCR) and nasopharyngeal swabs. SAR was also calculated for different groups.Results: Among the index cases, 64.27% were male, 24.80% were public sector employees, and 4.87% were admitted to the intensive care unit. In addition, most of them aged 30-39 years. The SAR was 11.56% (95% CI: 9.86% to 13.25%) in the close contacts. Accordingly, the highest SAR was observed among the friends, 19.05% (95% CI: 7.17% to 30.92%), followed by the spouses of COVID-19 cases, 16.67% (95% CI: 10.81% to 22.51%). Furthermore, diabetes (6.03%) and cardiovascular disease (5.1%) were the most common comorbidities among the index cases.Conclusion: The findings suggested that the SAR was relatively lower among the close contacts. Considering the familial and non-familial relationships between the index cases and their close contacts were the major causes of disease transmission. Therefore, it is crucial to conduct tracing for COVID-19 contacts in all cases with whom patients have had close contact.
کلیدواژه‌های انگلیسی مقاله Close contact, contact tracing, COVID-19, Secondary attack rate, Transmission
نویسندگان مقاله Alireza Mirahmadizadeh |
Non-communicable Diseases Research Center, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran

Mousa Ghelichi-Ghojogh |
Metabolic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran

Fatemeh Rezaei |
Research Center for Social Determinants of Health, Jahrom University of Medical Sciences, Jahrom, Iran

Mehdi Nejat |
Health Affairs, Shiraz University of Medical Sciences, Shiraz, Iran

Haleh Ghaem |
Non-communicable Diseases Research Center, Department of Epidemiology, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran

Jafar Hassanzadeh |
Research Center for Health Sciences, Institute of Health, Department of Epidemiology, Shiraz University of Medical Sciences, Shiraz, Iran

Mohammadreza Karimi |
Technical Deputy of Vice-chancellery for Health, Shiraz University of Medical Sciences, Shiraz, Iran

Zohre Khodamoradi |
Department of Internal Medicine, Shiraz University of Medical Sciences, Shiraz, Iran

Kimia Jokari |
Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran

Leila Jahangiry |
Department of Health Education and Health Promotion, School of Health, Medical Education Research Center, Health Management and Safety Promotion Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran

نشانی اینترنتی https://jhsss.sums.ac.ir/article_49031_71fbe0006f6fbf41552da93918c9d56a.pdf
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