The first outbreak of dengue fever in Pakistan was in 1994. But it occurred suddenly in Karachi in 2005 as an annual epidemic. It caused 16,580 confirmed cases and many deaths from Lahore. It also reported many cases and death across the country. Currently, 3,442 cases have been reported in Pakistan.
Source: https://aboutdailynews.com/4s-denguedengue-symptoms-and-history/