Articles
Evidence for health where it's hardest to deliver.. Explore our collection of expert insights, guides, and the latest updates.
In this issue
- Vaccine Cold Chain Explained
The Vaccine Storage and Handling SOP: What the Cold Chain’s Paper Trail Actually Requires
A refrigerator holding 2-8C isn’t a cold chain on its own — see what a written vaccine storage and handling SOP is actually required to cover.
IHJ Editorial Board16 August 20265 min read - Temperature Monitoring & Data Loggers
Single-Use vs. Reusable Temperature Data Loggers: Matching the Logger to the Trip
Single-use and reusable temperature data loggers solve different cold-chain problems. Here is how to tell which one a shipment actually needs.
IHJ Editorial Board16 August 20265 min read - Medical-Grade Water Filtration
Log Reduction Value: The Number That Actually Tells You If a Field Filter Works
Log reduction value is the one number that separates a genuinely protective field filter from a marketing claim. Here is how it is measured.
IHJ Editorial Board16 August 20265 min read - Fever & Vital-Signs Screening
Fever Screening at the Border: What the Sensitivity Data Actually Shows
Thermal scanners and non-contact thermometers catch far fewer infections than assumed. The outbreak data explains why, and what triage teams add instead.
IHJ Editorial Board16 August 20265 min read - Temperature Monitoring & Data Loggers
Temperature Data Logger Calibration: Intervals, Traceability, and When to Replace
How field health programs should set calibration intervals for temperature data loggers, what traceability actually requires, and when to retire a unit.
IHJ Editorial Board16 August 20265 min read - Public Health Surveillance
Wastewater Surveillance: Reading a Community’s Health From Its Sewage
How wastewater-based surveillance detects polio, COVID-19, and other pathogens days before clinical cases appear, and where it falls short.
IHJ Editorial Board16 August 20265 min read - Trauma & Hemorrhage Control
When a Tourniquet Won’t Reach: Hemostatic Dressings and Junctional Wounds
Field hemorrhage control means matching tool to wound: tourniquets for limbs, hemostatic dressings for the junctional zones a tourniquet can’t reach.
IHJ Editorial Board16 August 20265 min read - Blood Pressure Monitoring
Ambulatory Blood Pressure Monitoring: Why a 24-Hour Reading Outperforms a Single Office Visit
How 24-hour ambulatory blood pressure monitoring works, its guideline thresholds, and why it catches what a single office reading misses.
IHJ Editorial Board16 August 20265 min read - HIV, TB & Co-Infection
The Urine LAM Test: Why WHO Restricts It to Advanced HIV Disease
The urine LAM test finds TB fast in people with HIV, but WHO limits its use by CD4 count. Here is the reasoning behind that threshold.
IHJ Editorial Board16 August 20265 min read - Diagnostic Sourcing & Procurement
Forecasting Diagnostic Test Kit Demand: Avoiding Stockouts and Waste
How field programs quantify RDT and reagent needs, and why the gap between too little and too much is measured in expired boxes.
IHJ Editorial Board16 August 20265 min read - Neglected Tropical Diseases
Taeniasis and Neurocysticercosis: Why the Same Tapeworm Causes Two Different Diseases
Taenia solium causes two distinct diseases depending on which parasite stage is ingested — one mild, one a leading cause of preventable epilepsy.
IHJ Editorial Board16 August 20265 min read - Public Health Surveillance
Syndromic Surveillance: Detecting Outbreaks Before a Diagnosis Exists
How syndromic surveillance flags outbreaks from symptoms alone, and why it sits apart from case-based and event-based reporting.
IHJ Editorial Board16 August 20265 min read