Micro 7: Epidemics and Pandemics

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What is the definition of an epidemic?

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An epidemic is a disease that occurs in greater numbers than expected in a specific area or population.

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What is the definition of a pandemic?

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A pandemic is an outbreak of a disease that occurs on a global scale, affecting a large number of people across multiple countries or continents.

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What is an outbreak?

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An outbreak is the occurrence of a disease in a community or region that is greater than what is normally expected, typically affecting a small area.

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How does global travel contribute to the risk of pandemics?

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Global travel allows diseases to spread quickly from person to person across different regions and countries, increasing the risk of pandemics.

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What are some common environments where viruses spread quickly?

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Common environments include shopping malls, airplanes, schools, and other crowded places.

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What is the relationship between population density and the spread of viruses?

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Higher population density increases the likelihood of viruses spreading quickly due to close contact between individuals.

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What is the significance of the Ebola outbreak in West Africa (2014-2016)?

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The Ebola outbreak is an example of an epidemic, as it was contained to a specific region and affected a significant number of people.

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What is the significance of the SARS outbreak in Hong Kong (2003)?

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The SARS outbreak is another example of an epidemic, highlighting how diseases can be contained to specific areas.

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What is the difference between an epidemic and an outbreak?

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An epidemic refers to a larger scale of disease occurrence than an outbreak, which is typically localized.

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What factors can lead to an outbreak of a disease?

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Factors include increased population density, lack of vaccination, and environmental conditions that facilitate the spread of pathogens.