This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
Roll back Malaria program is - 
Select and explain. 
A. Encourage the development of more effective and new anti malarial drugs and vaccines, B. Encourage the proper and expanded use of insecticide treated mosquito nets, C. Training of villages health workers and mother on early and appropriate treatment of malaria, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Roll back malaria Roll Back malaria include, strategic Encourage the development of more effective and new anti malarial drugs and vaccines, Training of villages health workers and mother on early and appropriate treatment of malaria,Encourage the proper and expanded use of insecticide treated mosquito nets. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 21ST EDITION. - 243