Explain any three means through which infectious disease spread?
1. Through air: The disease spread through sneezing or coughing through water droplets. E.g. - Common cold, tuberculosis.
2. Through water: It can spread through consuming contaminated water, open defecation etc. E.g.- Cholera, Typhoid
3. Sexual contact: Diseases spread through sexual contact or exchange of body fluids. E.g. - Syphilis, AIDS.
4. Through vectors: Animals like flies and mosquitoes carry infecting agent from sick person to healthy person. E.g.-Rabies, Malaria
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