KARACHI: The Sindh government has failed to curb the dengue outbreak as two more people lost their lives on Friday after suffering from dengue virus in Karachi, ARY News reported.<br /><br />As per details, 24-year-old Sonia, a resident of Nazimabad and 22-year-old Owais was shifted to a private hospital in Karachi a few days ago with complaints of dengue symptoms.