Dengue virus is once again at large infecting people in Punjab, as four more people have been tested positive for the disease. All these dengue patients are under treatment in Ganga Ram Hospital, Lahore. According to Health Department, at least 48 patients have been confirmed as dengue infected during the last four months in Lahore, pushing the overall number of the diseased patients to 61 across Punjab. Directors Health have been appointed at town level in Lahore for prevention against the virus. These directors are bound to report to Health Secretary on their measures taken up on daily basis.