“EPIDEMIOLOGY OF COVID-19 IN NON-CORE INFECTED REGIONS BASED ON PATIENT MOVEMENT TRAJECTORIES – A REPORT FROM CHONGQING, CHINA (11 JANUARY – 21 FEBRUARY 2020): COVID-19 IN NON-CORE INFECTED AREAS”. The Southeast Asian Journal of Tropical Medicine and Public Health 51, no. 6 (January 3, 2021): 919–297. Accessed November 16, 2025. https://journal.seameotropmednetwork.org/index.php/jtropmed/article/view/285.