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Related Concept Videos

Principles of Disease Surveillance01:26

Principles of Disease Surveillance

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Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
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Cholera01:25

Cholera

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Cholera is an acute gastrointestinal disease caused by the Gram-negative bacterium Vibrio cholerae. It is transmitted primarily via the fecal-oral route through the ingestion of contaminated water or food.Vibrio cholerae is a motile, Gram-negative bacterium of the family Vibrionaceae, primarily associated with waterborne outbreaks in areas with inadequate sanitation. Although over 200 serogroups of V. cholerae exist, only O1 and O139 are responsible for epidemic cholera. The O1 serogroup,...
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Enhancing national cholera surveillance using rapid diagnostic tests (RDTs): A mixed methods evaluation.

Erin T Baumgartner1, Kendra N Williams1, Emee Rai2

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This summary is machine-generated.

Cholera rapid diagnostic tests (RDTs) show promise for surveillance but face challenges. Underutilization and reporting gaps hinder their effectiveness, requiring improved training and addressing quality concerns for successful scale-up.

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Area of Science:

  • * Public Health
  • * Infectious Disease Surveillance
  • * Diagnostic Test Implementation

Background:

  • * Cholera rapid diagnostic tests (RDTs) offer a cost-effective method to enhance understanding of cholera burden and guide prevention efforts.
  • * The RDT Implementation Strategy and Evaluation (RISE) project piloted Gavi's Diagnostic Procurement Platform to supply cholera RDTs for national surveillance.
  • * Implementation was evaluated in Nepal's Early Warning and Reporting System (EWARS) following RDT distribution in 2023.

Purpose of the Study:

  • * To evaluate the implementation of cholera RDTs within Nepal's national surveillance system.
  • * To identify facilitators and barriers to the effective use of RDTs in cholera surveillance.
  • * To assess the impact of RDTs on reporting of acute gastroenteritis and cholera cases.

Main Methods:

  • * Mixed-methods approach combining quantitative data from EWARS reports and REDCap surveys.
  • * Qualitative data collection through semi-structured interviews with key personnel involved in cholera surveillance and response in Kathmandu.
  • * Analysis of quantitative data on RDT utilization and reporting rates; thematic analysis of qualitative interview data.

Main Results:

  • * Qualitative data revealed positive perceptions of RDTs regarding speed, ease of use, and suitability for resource-limited settings.
  • * Key challenges identified include lack of awareness, insufficient training, and concerns about RDT quality, availability, and cost.
  • * Quantitative findings indicated underreporting of acute gastroenteritis and cholera in EWARS, with only 2.6% of reported cases screened by RDT, alongside significant underutilization of RDTs.

Conclusions:

  • * Cholera RDTs hold potential for improving surveillance but face significant implementation challenges related to lab capacity, reporting systems, and training.
  • * Gaps in surveillance reporting were exacerbated by the complexity of integrating RDTs without adequate guidance and misconceptions about RDT validity.
  • * Addressing these challenges at local and national levels is crucial for the successful scale-up of cholera RDTs in Nepal and other regions.