Abstract
This article analyzes the epidemiological features of exanthematous infectious diseases in children (measles, rubella, chickenpox, scarlet fever, meningococcal infection, and others). Fever and rash are among the most common clinical signs in childhood. While most cases are mild viral illnesses, there are also epidemiologically dangerous infections such as measles and meningococcemia. The main problem is that the period of infectivity begins before clinical signs, particularly before the appearance of a characteristic rash. This makes early detection of the disease a key condition for controlling the epidemic process. Based on the analysis of international recommendations and scientific publications, the components of an early detection system at the primary healthcare level are presented: standard definition, urgent notification, laboratory confirmation, isolation, contact tracing, and assessment of vaccination status. The purpose of the article is to analyze the epidemiological significance of early detection of exanthematous infectious diseases in children and to define the practical components of an early detection system at the primary healthcare level. In conclusion, early detection is not only a clinical task but also a crucial link in epidemic control, as many of these diseases are infectious even before the characteristic rash appears. Strengthening the surveillance function of family polyclinics, high vaccination coverage, and cooperation with preschool educational institutions reduce the number of secondary cases, protect pregnant women and immunocompromised children, and prevent severe outcomes in patients.References
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