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  1. Sep 7, 2011 · Step 2: Now that we have confirmed an outbreak, we need a case definition (not very sexy but critical) Photo courtesy of Kendra Helmer, USAID. All of the information we gathered in Step 1 allows us to piece together the person, place, and time aspects of the outbreak to develop a case definition for who we think is likely to be part of the ...

  2. May 28, 2024 · Defining an outbreak of unexplained respiratory illness. Cluster: An aggregation of cases grouped in place and time that are suspected to be greater than the number expected, even though the expected number may not be known. Outbreak: When there are more disease cases than what is usually expected: For a given time (e.g., within 2 weeks)

    • Healthcare workers at hospital X
    • Males
  3. Additional Resources. Waterborne Outbreaks Toolkit. Health Alert Network (HAN) Hepatitis A Outbreaks. Outbreaks Linked to Animals and Animal Products. Home page for MMWR. Global Health Security. Sign up for Email Updates. See a list of current outbreaks and outbreak-related resources.

  4. May 28, 2024 · Outbreaks to investigate. For each respiratory disease outbreak, public health officials determine the appropriate level of public health response. They must consider many factors in making the decision, such as availability of resources and competing agency priorities.

  5. Feb 13, 2019 · The manual serves as a definitive guide to investigating acute public health events on the ground and in real time. Assembled and written by experts from CDC as well as other leading public health agencies, the current version also provides: Case-study examples of lessons learned from recent field investigations.

  6. Sep 11, 2018 · Visitors get a clear “understanding how we can prevent zoonotic viruses like Ebola, Zika and influenza from emerging and spreading around the world,” says Smithsonian anthropologist and lead curator Sabrina Sholts. Most viruses that infect humans originate in other animals, including influenza, Ebola, Zika, HIV and SARS.

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  8. Mar 18, 2020 · Small, but unusual. By tracking diseases over time and geography, epidemiologists learn to predict how many cases of an illness should normally happen within a defined period of time, place and population. An outbreak is a noticeable, often small, increase over the expected number of cases. Imagine an unusual spike in the number of children ...

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