Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Rising COVID-19 Cases Pose Challenge to Pakistan's Crumbling Health Care System Ayaz Gul ISLAMABAD - Pakistan said Monday another 50 nationals returning from Iran have tested positive for coronavirus, taking the national tally of infections to at least 92, with zero deaths, and posing a major challenge to an already under pressure health care system. Officials have not confirmed local transmissions, saying almost all of the COVID-19 cases have been imported by returnees from countries such as China, Iran, Syria, the United States, Britain and Saudi Arabia. .