ABSTRACT
BACKGROUND: New coronavirus infection caused by SARS-CoV-2 (COVID-19), as well as pneumonia with signs of coronavirus infection, continues to spread around the world, but the epidemiological situation is not the same in different countries. AIM: The aim of the study was to analyze the epidemiological situation of coronavirus infection and pneumonia with signs of coronavirus infection in the Republic of Kazakhstan. MATERIALS AND METHODS: Retrospective epidemiological analysis of the incidence of coronavirus infection and pneumonia with signs of coronavirus infection in the republic according to official statistical reporting, as well as a statistical analysis of discharge records of patients diagnosed with coronavirus infection (no virus identified) in a small town of Karaganda region was carried out. RESULTS: An increase in cases, sick persons, recovered persons, and lethal cases in population with positive PCR for COVID-19, as well as pneumonia with signs of coronavirus infection in the Republic of Kazakhstan was registered for the period from January 8, 2020, to December 31, 2021. The number of cases of coronavirus increased in 10.93 times those who recovered – in 15.78 times and deaths – in 16.4 times, respectively. The increase in the number of cases of pneumonia with signs of coronavirus infection also increased in 16.24 time, the number of those who recovered at the beginning of the observation was not established, by the end the number of recovered was 76,989 people, the number of deaths increased in 173.83 time. CONCLUSION: An analysis of the discharge records of patients with pneumonia with signs of coronavirus infection revealed that 54.2% of the patients were females and 45.8% were males. The disease was registered in 21.8% of patients older than 60 years in the presence of concomitant diseases. Concomitant diseases were represented in 42% by arterial hypertension, in 26% by ischemic heart disease, and in 14% by pyelonephritis. The same percentage of cases (12%) was chronic obstructive pulmonary disease and iron deficiency anemia, 11% – diabetes mellitus. Among all patients, 69.4% were urban residents and 30.6% were rural areas.