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The agency's main goal is the protection of public health and safety through the control and prevention of disease, injury, and disability in the US and worldwide. [4] The CDC focuses national attention on developing and applying disease control and prevention. It especially focuses its attention on infectious disease, food borne pathogens, environmental health, occupational safety and health ...
Pandemic and epidemic both refer to disease outbreaks. Epidemic refers to disease across a region, and pandemic refers to disease in many countries.
COVID-19 has become the latest pandemic. Learn more about the difference between pandemics, epidemics, and outbreaks; how they’re classified; and how to prevent diseases such as COVID-19.
A disease is a particular abnormal condition that adversely affects the structure or function of all or part of an organism and is not immediately due to any external injury. [1] [2] Diseases are often known to be medical conditions that are associated with specific signs and symptoms.
An endemic disease is consistently present, but it spreads at predictable rates that can be managed more easily than a pandemic.
A medical dictionary definition of pandemic is " an epidemic occurring on a scale that crosses international boundaries, usually affecting people on a worldwide scale ". [14] A disease or condition is not a pandemic merely because it is widespread or kills many people; it must also be infectious. For instance, cancer is responsible for many ...
An outbreak of infection is considered a pandemic when it grows very fast. It starts out slowly at first and then takes off. Sometimes, people call this type of growth exponential. For an outbreak ...
Airborne diseases spread easily and are difficult to prevent. Learn more about the types of airborne diseases and how to protect yourself.