Incidence of Human Plasmodiasis in Northern and Southern Districts of Khyber Pakhtunkhwa, Pakistan
Muhammad Asim Khan1,*, Shahid Niaz Khan1, Sanaullah Khan2, Abdul Jabbar Khan3, Muhammad Adnan4, Nawab Ali5 and Ijaz Ali6
Total 3968 blood films were prepared from various age groups ranging from below 1 year up to above 50 years during the months of June 2010 to June 2012, residing in Northern (Peshawar, Mardan, Charsaddah, Sawabi, Nowshehra) and Southern (Bannu, Lakki, Karrak, Kohat, D.I.Khan) districts of Khyber Pakhtunkhwa, Pakistan. All the films were examined by microscopy for the detection of malarial parasites. In the Southern districts, the overall incidence of Plasmodium slides positivity was 52.47% of which 91.07% were identified as Plasmodium vivax and 6.23% as P. falciparum and 2.69 was 43.62%, of which Plasmodium vivax were 91.2%, Plasmodium falciparum were 6.09% and 2.68% were identified as mixed infections. Malaria was most prevalent in the age group 11 - 20 years (61.68 %,) and 40 -50 > (81.63%) years patients. The results also showed that highest infection (72.56%) was found in the month of August and (68.52%) in September, while the lowest prevalence of malaria infection was found in the months of December (7.93%) and in February (12.62%).