The document discusses malaria, including that it is caused by a parasitic organism called plasmodium transmitted via mosquitoes. Symptoms of malaria include shivering, high fever, headache and vomiting in intervals of 2-3 days. If not treated, symptoms can last for years. It provides data on malaria cases in India from 1995-2007, showing states with the highest numbers. India spends a significant portion of its health budget, up to 70-80% in some years, on insecticides for malaria control.