| Disease | Causative agent | Symptoms | Prevention |
| Malaria | Protozoan,Plasmodium | Chills, high fever, profuse sweating, severe headache, nausea, vomiting, fatigue and body pain | Destruction of mosquitoes at all stages and avoid mosquito bites by using mosquito nets or repellents |
| Chicken pox | Virus,Varicellazoster | Highly irritating rashes near the chest and back, gradually spreading to the arms, legs, face and head | Active immunisation by administering live attenuated vaccine containing Varicella |
| Tuberculosis | Bacterium,Mycobacterium tuberculosis | Persistent cough, afternoon fever, bloody mucus, loss of weight, fatigue and chest pain | BCG vaccination and isolation of the patient |