Hyderabad, Mar 14 (ANI): Cases of malaria and dengue have shown an increase recently in Hyderabad causing an alarming situation. The diseases have affected many people with the number of patients with high fever is increasing in the hospital. Speaking to ANI, Government Fever Hospital Dr K Shankar said that in past two months the patients suffering from malaria and dengue have increased. "Due to variation in temperature, there has been increase in the number of mosquitoes. Eventually, a number of cases of malaria and dengue are being witnessed in government and private hospitals," Shankar said.