Articles
Evidence for health where it's hardest to deliver.. Explore our collection of expert insights, guides, and the latest updates.
In this issue
- Pulse Oximetry
Occult Hypoxemia: Why Pulse Oximeter Accuracy Varies by Skin Pigmentation
Pulse oximeters can overestimate oxygen levels in patients with darker skin. What the evidence shows, and what it means for field teams.
IHJ Editorial Board16 August 20265 min read - Diagnostic Sourcing & Procurement
Why Diagnostic Reagents Get Stuck at Customs, and How Programs Get Them Through
A validated test kit can clear every quality check and still sit at a border for weeks. Here is what actually delays customs clearance.
IHJ Editorial Board16 August 20265 min read - Portable Field Microscopy
Malaria Microscopy Competency: What the WHO’s Slide-Reading Standard Actually Tests
How the WHO grades a field microscopist’s slide-reading skill — and why a competency score matters as much as the microscope itself.
IHJ Editorial Board16 August 20265 min read - Vaccine-Preventable Diseases
Hepatitis B vs. Hepatitis C: Why the Global Elimination Math Is So Different
Hepatitis B and C are both bloodborne and both deadly, but one has a vaccine and one doesn’t — and that gap is reshaping WHO’s 2030 targets.
IHJ Editorial Board16 August 20265 min read - Trauma & Hemorrhage Control
Tourniquet Time Limit: The Evidence Behind the Two-Hour Rule
How long a tourniquet can stay on before ischemic risk rises, and how field teams decide between waiting and converting to a dressing.
IHJ Editorial Board16 August 20265 min read - Vaccine-Preventable Diseases
RSV Vaccine for Older Adults: What the Age-Based Guidelines Actually Mean
RSV vaccine guidance for older adults has shifted from a case-by-case discussion to age-tiered recommendations. Here is what changed and why.
IHJ Editorial Board16 August 20265 min read - Supply Chain & Procurement
Pooled Procurement: How Global Health Systems Buy Medicine Together
How aggregating demand across countries lets global health buyers negotiate lower prices — and what it costs low-resource systems in flexibility.
IHJ Editorial Board16 August 20265 min read - Task-Shifting & Workforce
Task Shifting: How Understaffed Health Systems Redistribute Clinical Work
How task shifting redistributes clinical duties to non-physician workers, and what two decades of field evidence say about its limits.
IHJ Editorial Board16 August 20265 min read - Field Epidemiology Methods
The Line List: How Outbreak Teams Turn Scattered Cases Into a Usable Signal
How a simple case-by-case spreadsheet becomes the working core of a field outbreak investigation, and what belongs in it.
IHJ Editorial Board16 August 20265 min read - Blood Pressure Monitoring
Validated Blood Pressure Monitors: What “Clinically Accurate” Actually Means
Why device validation, not brand reputation, determines whether a home or field blood-pressure monitor can be trusted.
IHJ Editorial Board16 August 20265 min read - Outbreak Case Studies
The DRC Measles Outbreak of 2005-2006: A Case Study in Reactive Vaccination
A retrospective on the 2005-2006 DRC measles outbreak: what the Matadi and Mbuji-Mayi case data showed about reactive vaccination.
IHJ Editorial Board16 August 20265 min read - Field Epidemiology Methods
Contact Tracing in Low-Resource Outbreaks: The Shoe-Leather Method
Why field teams in low-resource outbreaks still rely on paper lists and door-to-door visits over apps, and how that method holds up.
IHJ Editorial Board16 August 20265 min read