mention three reasons to spread of communicable diseases in india brainly
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Environmental factors influencing the spread of communicable diseases. Water, sanitation, food and air quality are vital elements in the transmission of communicable diseases and in the spread of diseases prone to cause epidemics.
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Some ways in which communicable diseases spread are by: Physical contact with an infected person, e.g. through touch (staphylococcus), sexual contact (gonorrhoea, HIV), faecal/oral transmission (hepatitis A), or droplet (influenza) Contact with a contaminated surfaces or objects (Norovirus), food (salmonella, E.
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