Thayyil J, Kuniyil V, Cherumanalil JM. COVID-19: digital contact tracing technologies and ethical challenges. Int J Community Med Public Health [Internet]. 2020 Jun. 26 [cited 2026 Feb. 15];7(7):2854-61. Available from: https://www.ijcmph.com/index.php/ijcmph/article/view/6686