In public health rather than considering the health of the individual we will consider the health of the entire community or certain population. It mainly focus on preventing infectious disease, removing contaminants from food and drinking water, reducing pollutions, by public health policies (for example administering vaccines for various diseases) etc since they can affect the entire community.
Public health professionals try to prevent problems from happening or recurring through implementing educational programs, recommending policies, administering services and conducting research. Public health also works to limit health disparities. A large part of public health is promoting healthcare equity, quality and accessibility.
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