write four points of difference between infectious and non infectious disease
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1.Infectious disease are caused by attack of pathogens whether non infectious disease are caused by many factors other than pathogens.
2.Transmission of infectious disease occurs through direct or indirect contact but in non-
infectious disease transmission is absent.
3.Infectious disease are brought by external factors whether non infectious disease are brought by internal factors.
4.Community hygiene can reduce the incidence of infectious disease but it is ineffective in reducing incidence of non infectious disease.
2.Transmission of infectious disease occurs through direct or indirect contact but in non-
infectious disease transmission is absent.
3.Infectious disease are brought by external factors whether non infectious disease are brought by internal factors.
4.Community hygiene can reduce the incidence of infectious disease but it is ineffective in reducing incidence of non infectious disease.
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