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The purpose of this study was to clarify the effects of individual infection control measures and physical distancing on pediatric medical care in a local prefecture in Japan, where the incidence of coronavirus disease (COVID-19) in pediatric patients was extremely low. We extracted data from hospital records on the number of outpatients, inpatients, infectious disease consultations, and consultations for representative pediatric diseases. We compared attendance in 2017–2019, before the COVID-19 pandemic, with 2020, when COVID-19 spread to Japan. There were no COVID-19 patients in the pediatric department during the study period. The total number outpatient visits decreased by 24.4%, and the number of hospital admissions, excluding neonatal care unit admissions, decreased by approximately 35%. There was a marked reduction in the number of hospitalizations for infectious diseases such as influenza (−74.8%) and respiratory syncytial virus infection (−93.5%), and the number of hospitalizations for bronchitis/pneumonia, Kawasaki disease, and bronchial asthma decreased. In contrast, the number of clinical psychological interventions and cases reported to the child guidance center increased. In the context of pandemic infectious diseases, it is important to control the spread of problematic infectious diseases by individual infection control measures and physical distancing. However, it is necessary to maintain social life as much as possible for the mental health and physical development of children. [ABSTRACT FROM AUTHOR]

The outbreak of coronavirus disease (COVID-19) resulted in implementation of social distancing and other public health measures to control the spread of infection and improve prevention, resulting in a decrease in respiratory syncytial virus (RSV) and pediatric respiratory tract infection rates. However, there was a rapid and large re-emergence of RSV infection in Japan. Notably, we were faced with a difficult situation wherein there was a shortage of hospital beds. This study aimed to examine the epidemiological patterns of RSV-related hospitalizations among children before and after the COVID-19 pandemic onset at two pediatric emergency referral hospitals covering the entire Tokushima Prefecture. Data were extracted from electronic medical records of children hospitalized with RSV infection between January 1, 2018, and December 31, 2021. All patients meeting the eligibility criteria were included in this study. The rates of study outcomes were documented annually during 2018-2021 and compared between the 2018-2020 and 2021 periods. In 2020, there was no RSV infection outbreak. Hospitalizations at the peak week in 2021 were 2.2- and 2.8-fold higher than those in 2018 and 2019, respectively. Hospitalizations in 2021 were concentrated within a short period. In addition, there was a significant increase in hospitalizations among children aged 3-5 months and those older than 24 months. The high-flow nasal cannula (HFNC) use rate nearly doubled in 2021. A new pandemic in the future may cause an outbreak of RSV infection that can result in an intensive increase in the number of hospitalizations of pediatric patients requiring respiratory support, especially in infants aged <6 months. There is an urgent need to improve the preparedness of medical systems, particularly in terms of the number of inpatient beds and the immediate availability of HFNC., Competing Interests: The authors have declared that no competing interests exist., (Copyright: © 2023 Shichijo et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)