Microorganisms that cause disease do not respect national borders. International travel and connected communities can allow an outbreak that begins in one place to spread elsewhere. Public health agencies therefore work together to identify threats, share information, and organize responses.
Responding at the source of an outbreak is often more manageable than confronting the same disease after it has spread to multiple locations.
All flashcards
What is the World Health Organization’s role in international public health?
It coordinates international public health, monitors and reports infectious diseases, and supports prevention and control strategies.
Why is international coordination important during infectious disease outbreaks?
Sharing information and coordinating responses can help agencies detect threats and act before outbreaks spread widely.
How can antimicrobial resistance contribute to disease reemergence?
Resistance can make infections that were once treatable harder to control, allowing their frequency to rise.
What is disease surveillance used for?
It helps agencies detect changes in disease frequency, identify outbreaks, and direct response and research resources.
Which measures helped contain SARS in Toronto?
Hospital isolation, home quarantine, infection-control protocols, contact tracing, and public communication.
Quiz questions
Which description defines an emerging infectious disease?Answer: A disease new to humans or more prevalent during the previous twenty years.
Which description defines a reemerging infectious disease?Answer: A disease increasing in frequency after a previous period of decline.
How can antimicrobial resistance contribute to the reemergence of an infection?Answer: It can make infections that were previously treatable harder to control.
What type of pathogen was identified as the cause of severe acute respiratory syndrome (SARS)?Answer: A coronavirus associated with horseshoe bats.
Which response was used by public health officials to help control SARS in Toronto?Answer: Hospital isolation, home quarantine, contact tracing, and public communication.
Based on Microbiology by Nina Parker, Mark Schneegurt, Anh-Hue Thi Tu, Philip Lister, Brian M. Forster (OpenStax), licensed CC BY 4.0. Adapted into a summary, flashcards and quizzes.