Fig. 2

Relative risk ratio map (2011–2013) to model spatial variation in dengue incidences, population, and locality. Highly disease prone areas in dark red (Rawalpindi and Lahore), medium level disease prone areas in light red (Bahawalpur and Chakwal), highly vulnerable in yellow (Faisalabad, Karachi, Swat, Dera Ghazi Khan, Sargodha, Jhang, Hafizabad, Jhelum, Mianwali, Lakki Marwat, Bannu, Attock, Nowshehra, Peshawar, Mardan, Haripur, Narowal, Sialkot and Multan), medium level vulnerable areas in gray (Muzaffargarh, Layyah, Bahawalnagar, Rahimyar Khan, Sheikhupura and Gujranwala), and low level vulnerable areas in blue), whereas no record found in the scientific literature for purple colored areas