Peru continues to carry one of the highest tuberculosis burdens in the region, with an estimated 59,000 people developing the disease in 2023. Nearly half of these cases are believed to go undiagnosed, as over 27,000 individuals were missing from TB care last year.
To help close these diagnostic gaps, we’ve been working closely with Socios en Salud under the ZeroTB initiative. The collaboration began in 2018, when CAD4TB was introduced in the country. In 2019, 4 more CAD4TB systems were delivered to support the expansion of TB screening efforts.
Momentum continued in 2021, when Socios en Salud deployed CAD4TB across 11 additional sites, with a target to screen an additional 130,000 individuals. By 2023, 2 more systems were added, helping extend early detection capabilities to more underserved communities. In 2025, another CAD4TB system was delivered to support ongoing efforts to scale up national TB screening coverage.
Making a difference
Research paper
A 2022 study examined integrated screening and testing for TB and COVID-19 in Peru. The study used CAD4TB and showed that integrated screening can help avoid delays in diagnosing TB and COVID-19.
Socios En Salud, supported by Peru’s Ministry of Health and Esperanza Amazonica Medical Program, conducted free TB screenings in the remote communities of Loreto, Peru. Operating aboard a boat, the active case-finding used CAD4TB to rapidly identify TB cases and ensure timely intervention, in the heart of peruvian jungle. Read more about it here.
Case studies
Discover how innovative strategies like urban mobile brigades and portable X-ray machines with CAD4TB AI software are making significant strides in TB diagnosis among Lima’s transgender community, a group facing unique health challenges. Read more through the 2023 case study “Active TB Case-finding in Transgender Populations.”
Webinar insights
In 2024, during the webinar “TB Active Case-Finding in Latin America using AI & portable X-rays,” Mg. Daniela Puma, Coordinadora del Programa de TB in Peru, shared how the country uses mobile units and backpack X-ray systems equipped with CAD4TB for active case finding. She explained, “We started this strategy in 2018 to identify TB cases at an early stage and start treatment quickly.” Highlighting community engagement, she noted, “We depend on the community because this helps us reach more people and reduce stigma.” In its first year, the program screened 58,000 people, detecting previously missed TB cases and achieving an 83% treatment initiation rate within three weeks.
Press coverage
In 2024, ERUINPE and MINSA commemorated World TB Day with a TB screening campaign at Lurigancho prison using CAD4TB. Read more about the event here. Celebrating World TB Day 2024, PAHO TV featured a video highlighting CAD4TB and Delft Light.
