COVID-19 Outbreak at Sports Club: Conditions of Occurrence and Causes of the Spread of Infection
Epidemiology and Vaccinal Prevention(2022)
摘要
Relevance. The new coronavirus infection (COVID-19), which appeared in late 2019 in China, has spread to almost all countries of the world in just a few months. The explosive nature of its spread was accompanied by the formation of large epidemic foci in organizations of various profiles, including leisure and sports. Aims. To establish the conditions and causes of the spread of SARS-CoV-2 among the members of one of the sports clubs based on an in-depth epidemiological analysis. Materials and methods. To study the features of the spread of the SARS-CoV-2 virus in a sports organization, the following documents were used previously developed by the authors and successfully tested in practice: «Act of epidemiological investigation of group and outbreak morbidity of new coronavirus infection (COVID-19) at an enterprise/organization/institution» and «Individual card of a patient with a new coronavirus infection (COVID-19) at the enterprise / organization/institution». In the process of epidemiological investigation, in order to detect SARS-CoV-2 RNA in PCR, a laboratory examination of sports club participants (sick and contact) was conducted, followed by genome-wide sequencing of isolated SARS-CoV-2 viruses on the basis of the Laboratory of Molecular Virology of the A. A. Smorodintsev Influenza Research Institute, which performs these types of studies. Results. Within 17 days, 26 cases of COVID- 19 were registered among the sports team members and staff from the support group (coaching staff, medical staff, administrators), which was 74.3% of their actual number. The majority of patients (76.9%) had mild acute respiratory infection, two (7.7%) had no symptoms, and four (15.4%) had interstitial pneumonia. Of the clinical manifestations of the disease, the most frequent were weakness, fever, headache, muscle and joint pain, difficulty in nasal breathing and serous-mucous discharge from the nose, sore throat, cough, shortness of breath, anosmia and dyspeptic manifestations in the form of diarrhea, nausea or vomiting. The occurrence of the outbreak was the result of the introduction of infection from the opposing team at the tournament. The leading factors that contributed to the spread of COVID-19 among sports club members were the admission to games and training of athletes with acute respiratory infections, prolonged close contact between players during training and competitions, violations in the use of personal protective equipment, compliance with hygiene and hand antiseptics, disinfection measures in the premises of sports institutions and defects in the implementation of the regulations for the examination of teams for SARS-CoV-2 during tournaments. Conclusion. Based on the results of the study, data were obtained on the features of the spread of SARS-CoV-2 in sports organizations, which can be used in conducting preventive and anti-epidemic measures in sports and leisure institutions.
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关键词
sars-cov-2,covid-19,outbreak incidence,sports club,causes of spread,prevention
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