Public heath sectors work on different populations and promote health awareness in them whereas hospitals focusses on individual patients. Thus, option 2 is correct.
Public health is described as the authorities working with the health sector in different communities and populations.
Public health deals with the prevention and management of the diseases. It also creates awareness regarding communicable diseases. Public health ensures the health safety and welfare of communities.
Thus, public health is important in longevity and quality life of population.
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