Blog
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Case Studies
Supervisory areas and printed maps in Guinea-Bissau
We walk through our recent country work with Guinea-Bissau's Ministry of Health and Sightsavers to prepare for an upcoming mass drug administration (MDA) campaign.

Case Studies
Training teams to map supervision gaps in Nigeria
We recently ran a two-day training for a country project with Nigeria's Ministry of Health and the Carter Center.
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News
Lenacapavir's Promise Depends on Strong Health Systems
Guest author Kirsten Weeks discusses how this twice-yearly injectable PrEP for HIV is a potential miracle drug with an uncertain future.

Case Studies
October 2025 updates: Pilot work and performance updates
October updates from the ongoing pilot work and what's new with the Crosscut App.

App Development
Hack Week II: Merging the bigger picture
Our second hack week focused on smarter merging for better big-picture planning.

News
Contributing Open Catchment Data Through HDX
The Crosscut App is certified as a digital public good in the open data category, offering settlement catchment outputs for anyone to use through HDX.

News
September 2025 updates: Community-level precision and pilot momentum
We spent September supporting WHO's geospatial microplanning work and adding highly requested features to the app.

News
Vital Supply Chain: Building a Fellowship for a New Era in Global Health
Guest author David Sarley discusses how the departure of a major funder like USAID leaves a void that risks reversing decades of progress – and what we can do.

Case Studies
Mapping Health Boundaries Where None Existed: Schistosomiasis Control in DRC
How Unlimit Health created precise health boundaries for schistosomiasis control in DRC using the Crosscut App and hand-drawn local maps.

App Development
Two-Tiered Catchments: Creating Territories Within Territories
New two-tiered catchments make it easy to create territories within previously created projects.

News
August 2025 updates: Nested territories and smarter foundations
In August, we launched a few highly requested features to make geospatial mapping even easier with the Crosscut App.

App Development
Our Newest Catchment Area Algorithm: Fair Supervisory Areas
Fair Supervisory areas work for any administrative planning challenge where you need to divide larger areas into balanced operational units.



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