Cellphone Data Can Help Track Pandemic Spread Apr 2026

Cellphone data, including GPS and Call Detail Records (CDRs), acts as a critical tool for public health officials to analyze human mobility and track pandemic spread. It aids in identifying infection hotspots, evaluating the effectiveness of lockdowns, and enabling digital contact tracing, though it raises concerns regarding user privacy and demographic data representation. For a detailed analysis of the technology behind this, visit U.S. GAO .