Given below are a few situations:
$(i)$ Geeta of Class $IX$ was having a common cold. She sits with Sarika,who also develops the disease.
$(ii)$ Animesh of Class $IX$ shifted to a new residence with his family where a water purification system has not been installed yet. He develops Cholera and Dysentery.
$(i)$ Geeta of Class $IX$ was having a common cold. She sits with Sarika,who also develops the disease.
$(ii)$ Animesh of Class $IX$ shifted to a new residence with his family where a water purification system has not been installed yet. He develops Cholera and Dysentery.
(N/A) $(i)$ Transmission by air (airborne disease).
$(ii)$ Transmission by water (waterborne disease).
Both situations describe the spread of communicable diseases.
$(ii)$ Transmission by water (waterborne disease).
Both situations describe the spread of communicable diseases.
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