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Clinical, Meteorological, and Air Quality Factors Associated with Ambulatory Pediatric Respiratory Syncytial Virus Infection in Machala, Ecuador, 2018–2023

Author

Listed:
  • Manika Suryadevara

    (Department of Pediatrics, SUNY Upstate Medical University, 750 East Adams Street, Syracuse, NY 13210, USA)

  • Dongliang Wang

    (Department of Pediatrics, SUNY Upstate Medical University, 750 East Adams Street, Syracuse, NY 13210, USA)

  • Freddy Pizarro Fajardo

    (Hospital General del Norte de Guayaquil IESS Los Ceibos, Guayaquil 090615, Ecuador)

  • Jorge-Louis Carrillo Aponte

    (Research Center at Hospital Teofilo Davila, SUNY Upstate Medical University, Machala 070206, Ecuador)

  • Froilan Heras

    (Research Center at Hospital Teofilo Davila, SUNY Upstate Medical University, Machala 070206, Ecuador)

  • Cinthya Cueva Aponte

    (Research Center at Hospital Teofilo Davila, SUNY Upstate Medical University, Machala 070206, Ecuador)

  • Irene Torres

    (Fundacion Octaedro, Quito 170135, Ecuador)

  • Joseph B. Domachowske

    (Department of Pediatrics, SUNY Upstate Medical University, 750 East Adams Street, Syracuse, NY 13210, USA)

Abstract

Implementation of RSV prevention strategies requires an understanding of seasonal virus epidemiology; yet, such data are lacking in many tropical regions. We describe the seasonality and environmental factors associated with RSV activity in Machala, Ecuador. From July 2018 to July 2023, we analyzed nasopharyngeal samples from children younger than 5 years with an acute respiratory illness using Biofire FilmArray v.1.7™. Meteorological data were obtained from Ecuador’s Instituto Nacional de Meteorología e Hidrología. RSV detection was associated with mean outdoor air temperature (threshold 27 °C, area under the curve (AUC) 0.74, p < 0.001) that was even stronger when using a 4-week lag (threshold 27 °C, AUC 0.865, p < 0.001) and with precipitation greater than 0.5 mm/week using a 6-week lag ( p = 0.008). This finding could provide guidance for the ideal timing to improve RSV surveillance and implement RSV prevention measures in Machala, including universal administration of extended half-life monoclonal antibody to infants entering their first RSV season.

Suggested Citation

  • Manika Suryadevara & Dongliang Wang & Freddy Pizarro Fajardo & Jorge-Louis Carrillo Aponte & Froilan Heras & Cinthya Cueva Aponte & Irene Torres & Joseph B. Domachowske, 2025. "Clinical, Meteorological, and Air Quality Factors Associated with Ambulatory Pediatric Respiratory Syncytial Virus Infection in Machala, Ecuador, 2018–2023," IJERPH, MDPI, vol. 22(2), pages 1-13, February.
    • Handle: RePEc:gam:jijerp:v:22:y:2025:i:2:p:272-:d:1589951
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    References listed on IDEAS

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    1. Chee Mun Chan & Asrul Abdul Wahab & Adli Ali, 2023. "Determining the Relationship of Meteorological Factors and Severe Pediatric Respiratory Syncytial Virus (RSV) Infection in Central Peninsular Malaysia," IJERPH, MDPI, vol. 20(3), pages 1-12, January.
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