Epidemiological characterization and seasonality of respiratory syncytial virus in the United Arab Emirates: A five-year study at a tertiary care hospital, 2018–2022
Heba A. Alamiri , Sara Hamwi , Mohammed T. Alsamri , Ghassan Ghattasheh , Ghaith Al Aryan , Huda Ali , Sarah Alaa , Aminu S. Abdullahi , Rami H. Al-Rifai , Hassib Narchi , Ahmed R. Alsuwaidi
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引用次数: 0
Abstract
Background
Respiratory syncytial virus (RSV) is a major cause of morbidity and hospitalization in infants and young children. Understanding its epidemiological patterns is essential for guiding preventive strategies. This study examined the epidemiology and seasonality of RSV over a-five-year period - before and during the COVID-19 pandemic - at a tertiary hospital in the United Arab Emirates (UAE).
Methods
Medical records of children ≤ 5 years tested for RSV at Tawam Hospital between January 2018 and December 2022 were reviewed. Duplicate samples within four weeks were excluded, with PCR prioritized over antigen results. Both RSV-A and RSV-B types were analyzed. Season onset was defined as two consecutive weeks with RSV positivity > 3 % (PCR) or > 10 % (antigen). The association between RSV type and both hospitalization and hospital length of stay was investigated. Data were analyzed by year, RSV type, month, and epidemiological week.
Results
A total of 39,760 RSV tests (24,924 PCR; 14,836 antigen) were performed on 15,326 unique children. Testing increased over time, and the median age of screened children rose from 11 months (2018) to 15 months (2022). Overall RSV positivity was 11 % (2018), 11 % (2019), 2.9 % (2020), 16 % (2021), and 6.1 % (2022). RSV-A predominated in 2020–2021, while RSV-B was more common in 2022. RSV seasonality shifted during the pandemic, with delayed onset in 2020–2021, but returned to pre-pandemic timing in 2022. Of 2189 RSV-associated hospitalizations, 60.2 % occurred during 2021–2022. Infants < 6 months had the longest hospital stays (mean 5.8 days). Although RSV type was not associated with the length of hospital stay, infection with RSV-B was significantly associated with 6.7-times higher odds of hospitalization (aOR: 6.71; 95 % CI: 5.26–8.66; P < 0.001).
Conclusion
The study underscores the impact of COVID-19 on RSV seasonality in the UAE and highlights the need for sustained surveillance to optimize RSV prevention strategies.
期刊介绍:
The Journal of Infection and Public Health, first official journal of the Saudi Arabian Ministry of National Guard Health Affairs, King Saud Bin Abdulaziz University for Health Sciences and the Saudi Association for Public Health, aims to be the foremost scientific, peer-reviewed journal encompassing infection prevention and control, microbiology, infectious diseases, public health and the application of healthcare epidemiology to the evaluation of health outcomes. The point of view of the journal is that infection and public health are closely intertwined and that advances in one area will have positive consequences on the other.
The journal will be useful to all health professionals who are partners in the management of patients with communicable diseases, keeping them up to date. The journal is proud to have an international and diverse editorial board that will assist and facilitate the publication of articles that reflect a global view on infection control and public health, as well as emphasizing our focus on supporting the needs of public health practitioners.
It is our aim to improve healthcare by reducing risk of infection and related adverse outcomes by critical review, selection, and dissemination of new and relevant information in the field of infection control, public health and infectious diseases in all healthcare settings and the community.