Articles
Evidence for health where it's hardest to deliver.. Explore our collection of expert insights, guides, and the latest updates.
In this issue
- Field Sanitation Supplies
Fecal Sludge Management: The Field Equipment Behind Safe Pit Latrine Emptying
Latrines are only sanitation infrastructure if someone can safely empty them: the equipment and standards behind fecal sludge management in the field.
IHJ Editorial Board16 August 20265 min read - Mobile Isolation & Field Cots
How Cholera Cots Work: The Logic Behind a Deceptively Simple Design
The perforated cot with a bucket underneath looks crude, but its design solves a precise clinical problem in cholera treatment.
IHJ Editorial Board16 August 20265 min read - Medical-Grade Water Filtration
Ultrafiltration vs. Reverse Osmosis: Choosing the Right Membrane for a Field Hospital
Pore size determines what a field water filter can remove. Here’s how ultrafiltration and reverse osmosis compare for field hospital use.
IHJ Editorial Board16 August 20265 min read - Outbreak Case Studies
Haiti’s 2010 Cholera Outbreak: The Genomic Case for a Single Source
How DNA fingerprinting and strain matching traced Haiti’s 2010 cholera epidemic to a single introduction, and why the UN took six years to admit it.
IHJ Editorial Board16 August 20265 min read - Defibrillation & Emergency Devices
AED vs. Manual Defibrillator: The Technology and Training Line Between Them
AEDs and manual defibrillators both shock a stopped heart, but they differ sharply in rhythm analysis, operator training, and regulatory class.
IHJ Editorial Board16 August 20265 min read - Field Sanitation Supplies
The Sphere 1:20 Ratio: Sizing a Latrine Program for a Displacement Camp
How the Sphere Handbook’s toilet-to-population ratio and distance rules translate into an actual field sanitation procurement count.
IHJ Editorial Board16 August 20265 min read - Task-Shifting & Workforce
Community Health Worker Attrition: What Actually Predicts Who Stays
Global CHW attrition ranges from 3% to 77% a year. The evidence points to a specific, predictable mix of causes — and fixes.
IHJ Editorial Board16 August 20265 min read - Point-of-Care Analyzers
Point-of-Care Analyzer Quality Control: Catching a Drifting Result Before It Reaches a Patient
A working point-of-care analyzer can still drift. Here is how internal QC and external quality assurance catch it before a result is trusted.
IHJ Editorial Board16 August 20265 min read - Editorial Standards & Methods
Retraction or Correction? The Test Editors Actually Apply to a Flawed Paper
COPE and ICMJE draw a clear line between retracting a paper and correcting it. Here is the test this desk applies before either decision.
IHJ Editorial Board16 August 20265 min read - Literature Reviews & Evidence Digests
Reading a PRISMA Flow Diagram: What the Boxes Actually Mean
PRISMA flow diagrams condense a review’s entire search into four boxes. Here is what each stage actually verifies before you trust its conclusion.
IHJ Editorial Board16 August 20265 min read - Supply Chain & Procurement
Buffer Stock for Essential Medicines: The Formula Behind the Safety Margin
How low-resource health systems size the safety margin on essential medicines, and why the formula has to weigh stockouts against expiry.
IHJ Editorial Board16 August 20265 min read - Hygiene in Refugee & Displacement Settings
The Hygiene Promoter Ratio: Why Two Per 1,000 People Decides If Camp WASH Works
Sphere and UNHCR set hygiene promotion staffing at two promoters per 1,000 displaced people — the ratio behind whether WASH programs change behavior.
IHJ Editorial Board16 August 20265 min read