Viral Infections in Bangladeshi Children with Respiratory Issues
Author Information
Author(s): Reller Megan E., Mehta Kayur, McCollum Eric D., Ahmed Salahuddin, Anderson Jack, Roy Arunangshu D., Chowdhury Nabidul Haque, Saha Samir, Moulton Lawrence H., Santosham Mathuram, Baqui Abdullah H.
Primary Institution: Johns Hopkins Bloomberg School of Public Health
Hypothesis
What is the epidemiology and etiology of viral acute lower respiratory tract infections (ALRIs) in rural Bangladesh?
Conclusion
Respiratory viruses were identified in a majority of children under 2 years of age presenting with ALRI in rural hospitals of Bangladesh.
Supporting Evidence
- 81.8% of children tested positive for a respiratory virus.
- Rhinoenterovirus was the most common virus identified (37.9%).
- 19% of children required hospitalization, with most discharged within 48 hours.
- Children presented with symptoms like cough (95.4%) and fast breathing (72.0%).
- High prevalence of undernutrition was noted among the children.
Takeaway
Doctors found that many young children in rural Bangladesh with breathing problems had viruses making them sick. This helps us understand how to better treat and prevent these illnesses.
Methodology
The study enrolled children aged 3-23 months with ALRIs and tested nasopharyngeal swabs for 19 respiratory viruses using multiplex PCR.
Potential Biases
Potential bias due to the exclusion of children who did not seek care and the inability to confirm causality for detected viruses.
Limitations
The study only included children who sought care at hospitals, and did not assess bacterial co-infections or include control data.
Participant Demographics
Median age was 10 months; 58.1% were male; most presented during autumn.
Digital Object Identifier (DOI)
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