What are the symptoms and causes of malaria? What is the mode of transmission of the disease? How can it be prevented and controlled?

(N/A) Disease: Malaria.
Causative microorganism: $Plasmodium$ (a protozoan).
Mode of transmission: Bite of an infected female $Anopheles$ mosquito.
Symptoms: General weakness,muscular pain,nausea,and high fever accompanied by sweating and shivering.
Prevention and Control: Use mosquito nets and repellents. Spray kerosene or oil on stagnant water to kill mosquito larvae. Avoid the accumulation of stagnant water in the surroundings to prevent mosquito breeding.
Treatment: Antimalarial drugs like quinine (derived from the $Cinchona$ tree) are used for treatment.