Swine flu to KILL OFF ISIS: Panicked Daesh issues urgent health warning after dozens die ISLAMIC State (ISIS) jihadis have issued an urgent health warning as the killer swine flu epidemic threatens to wipe out fighters across Syria and Iraq. By Oli Smith PUBLISHED: 04:58, Sun, Feb 7, 2016 | UPDATED: 13:37, Sun, Feb 7, 2016 Panicking ISIS could be crippled by the deadly virus after residents living under the ISIS reign - also known as Daesh - reported a "mysterious epidemic" sweeping through the region.