Articles
Evidence for health where it's hardest to deliver.. Explore our collection of expert insights, guides, and the latest updates.
In this issue
- Portable Field Microscopy
Beyond the Local Microscopist: Telemicroscopy in the Field
When no trained microscopist is on site, a digital microscope and a data link can still get the slide read by a remote expert.
IHJ Editorial Board16 August 20265 min read - Defibrillation & Emergency Devices
Public Access Defibrillation: How AEDs Save Lives
How public access defibrillation works, why minutes matter, and why AED coverage still fails many low-resource settings worldwide.
IHJ Editorial Board16 August 20265 min read - Pulse Oximetry
Pulse Oximeter Accuracy: What Causes False Readings in the Field
Pulse oximeters are a field-health mainstay, but skin pigmentation, poor perfusion, and motion can all skew SpO2 readings. Here’s what the evidence shows.
IHJ Editorial Board16 August 20265 min read - Point-of-Care Analyzers
Portable Blood Gas Analyzers: The Standards That Define Field Accuracy
What actually makes a portable blood gas analyzer trustworthy outside a lab: the standards, QC routines, and environmental tolerances that matter.
IHJ Editorial Board16 August 20265 min read - Outbreak Field Kits & Procurement
Inside the WHO Interagency Emergency Health Kit: What Standardized Modules Mean for Field Procurement
How the WHO’s modular Interagency Emergency Health Kit shapes what outbreak teams stock, order, and customize in the field.
IHJ Editorial Board16 August 20265 min read - Disease Modelling & Data
R0 Explained: What the Basic Reproduction Number Can (and Can’t) Tell You
R0 measures a pathogen’s spreading potential, not its real-world trajectory. Here’s how it’s calculated, how it differs from Rt, and where it misleads.
IHJ Editorial Board16 August 20265 min read - Vaccine Cold Chain Explained
Vaccine Vial Monitors: Reading Cumulative Heat Exposure Before It Costs Potency
How a vaccine vial monitor’s color-change chemistry tracks cumulative heat exposure, and why that matters more than one temperature reading.
IHJ Editorial Board16 August 20265 min read - Solar & Off-Grid Refrigeration
Solar Vaccine Refrigerator Hold-Over Time: Surviving a Cloudy Week
What hold-over time and autonomy ratings actually promise a vaccination campaign when the sun disappears for days.
IHJ Editorial Board16 August 20265 min read - Public Health Surveillance
Sentinel Surveillance: How a Handful of Clinics Track a Country’s Disease Burden
Sentinel surveillance samples a few clinics and labs instead of counting every case, and it underpins WHO influenza tracking and CDC resistance monitoring.
IHJ Editorial Board16 August 20265 min read - Neglected Tropical Diseases
What Are the 20 Neglected Tropical Diseases? The WHO List Explained
WHO’s official roster covers 20 conditions, not one. Here is what qualifies a disease as neglected and how the list is actually organized.
IHJ Editorial Board16 August 20265 min read - Mobile Isolation & Field Cots
Cot Spacing Inside a Cholera Treatment Unit: The Layout Rules Behind the One-Meter Gap
Why cholera cots sit more than a meter apart, and how zoning and one-way flow shape a cholera treatment unit.
IHJ Editorial Board16 August 20265 min read - Operational Research
Lot Quality Assurance Sampling: Judging a Field Program With 19 Observations
How Lot Quality Assurance Sampling lets field teams classify a program area as acceptable or not with a fraction of the sample a standard survey needs.
IHJ Editorial Board16 August 20265 min read