Pandemics and Preparedness Plans
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Questions and Answers

What subtype of the influenza virus caused the Asian Flu pandemic?

  • H5N1
  • H2N2 (correct)
  • H1N1
  • H3N2

The HIV/AIDS pandemic has resulted in fewer than 20 million deaths since 1981.

False (B)

In what year was the 1968 flu pandemic identified?

1968

The total estimated deaths due to the Asian Flu were approximately _____ million.

<p>2</p> Signup and view all the answers

Match the following pandemics with their causes:

<p>Asian Flu = H2N2 subtype 1968 Flu Pandemic = H3N2 strain HIV/AIDS = HIV virus COVID-19 = Novel coronavirus</p> Signup and view all the answers

What characterizes a pandemic according to the World Health Organization (WHO)?

<p>A disease that covers a wide area, affecting several countries (C)</p> Signup and view all the answers

A disease does not need to be contagious to be classified as an epidemic.

<p>True (A)</p> Signup and view all the answers

What impact has COVID-19 had on international tourism?

<p>It has led to the collapse of international tourism.</p> Signup and view all the answers

The pandemic has exposed structural weaknesses in health and social protection systems as well as in __________.

<p>digital connectivity</p> Signup and view all the answers

Match the following concepts with their definitions:

<p>Epidemic = Unexpected increase of disease cases in a specific area Pandemic = Widespread disease affecting multiple countries Endemic = Constant presence of a disease within a specific area International tourism = Travel for leisure across country borders</p> Signup and view all the answers

What has been a significant socioeconomic effect of the COVID-19 pandemic in the Asia-Pacific region?

<p>Increased job losses and poverty (D)</p> Signup and view all the answers

The severity of a disease is what distinguishes an epidemic from a pandemic.

<p>False (B)</p> Signup and view all the answers

What could be a positive outcome of the COVID-19 pandemic according to the content?

<p>A moment to reimagine the future for society, health, and climate.</p> Signup and view all the answers

What is the characteristic of Phase 3 in the pandemic alert phases?

<p>Limited capacity for human-to-human transmission (D)</p> Signup and view all the answers

A pandemic is generally contained or expected in its spread.

<p>False (B)</p> Signup and view all the answers

What is the highest pandemic alert phase?

<p>Phase 6</p> Signup and view all the answers

The World Health Organization has a pandemic preparedness plan consisting of ___ phases.

<p>six</p> Signup and view all the answers

Match the following pandemic phases with their descriptions:

<p>Phase 1 = Influenza virus in animals with no transmission risk to humans Phase 4 = Confirmed human-to-human viral transmission Phase 5 = Human-to-human transmission in two countries Phase 6 = Widespread and sustained disease transmission among humans</p> Signup and view all the answers

What factor does NOT facilitate the spread of a pandemic?

<p>High levels of community immunity (D)</p> Signup and view all the answers

Diseases that occur in humans usually first arise in animals.

<p>True (A)</p> Signup and view all the answers

What is indicated in Phase 2 of the pandemic alert phases?

<p>Isolated incidences of animal-to-human virus transmission</p> Signup and view all the answers

Phase ___ indicates that a pandemic is imminent and requires urgent actions.

<p>5</p> Signup and view all the answers

Match the phase to its corresponding feature:

<p>Phase 3 = Small disease outbreaks from animal-to-human transmission Phase 2 = Animal-to-human virus transmission observed Phase 5 = Transmission in two countries Phase 1 = Circulation among animals without human risk</p> Signup and view all the answers

What was the main disease thought to be responsible for the Antonine Plague?

<p>Smallpox (A)</p> Signup and view all the answers

The Plague of Justinian occurred in the 15th century.

<p>False (B)</p> Signup and view all the answers

What was the estimated death toll of the Black Death?

<p>75 to 200 million</p> Signup and view all the answers

The Third Cholera Pandemic originated in the ______.

<p>Ganges River Delta</p> Signup and view all the answers

Match the following pandemics with their key facts:

<p>Antonine Plague = Thought to be Smallpox or Measles Plague of Justinian = Killed up to 25 million people Black Death = Estimated death toll of 75 to 200 million Third Cholera Pandemic = Originated in the Ganges River Delta</p> Signup and view all the answers

How many people per day were killed in Constantinople during the Plague of Justinian at its height?

<p>5,000 (D)</p> Signup and view all the answers

The Black Death primarily spread through contaminated water supply.

<p>False (B)</p> Signup and view all the answers

Name one major continent severely affected by the Black Death.

<p>Europe</p> Signup and view all the answers

The Plague of Justinian affected the ______ Empire.

<p>Byzantine</p> Signup and view all the answers

Which pandemic is considered the most deadly of the cholera pandemics?

<p>Third Cholera Pandemic (D)</p> Signup and view all the answers

What was identified as the means of transmission for Cholera by John Snow?

<p>Contaminated water (D)</p> Signup and view all the answers

The 1889-1890 Flu Pandemic was initially referred to as the 'Russian Flu'.

<p>True (A)</p> Signup and view all the answers

How many people died during the 1918 Flu Pandemic?

<p>20 to 50 million</p> Signup and view all the answers

The _______ Cholera Pandemic occurred between 1910 and 1911.

<p>Sixth</p> Signup and view all the answers

What medical approach did American health authorities use during the Sixth Cholera Pandemic?

<p>Isolation of infected individuals (A)</p> Signup and view all the answers

The 1889-1890 Flu Pandemic resulted in over a million deaths.

<p>True (A)</p> Signup and view all the answers

In what year did the 1918 Flu Pandemic occur?

<p>1918-1920</p> Signup and view all the answers

The Sixth Cholera Pandemic originated in _______.

<p>India</p> Signup and view all the answers

Which demographic was primarily affected by the 1918 Flu Pandemic unlike previous outbreaks?

<p>Young adults (B)</p> Signup and view all the answers

Flashcards

Epidemic

An unexpected increase in disease cases within a specific geographical area.

Pandemic

A disease's spread that extends across international boundaries, affecting multiple countries and populations.

Exponential Growth

The rate at which a disease spreads exponentially, with cases increasing rapidly each day.

WHO Pandemic Declaration

The World Health Organization's designation for a disease that has spread globally, affecting multiple countries and populations.

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Population Immunity

The ability of a population to resist a disease due to previous exposure or vaccination.

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Disease Severity

The severity of a disease's symptoms and its impact on health.

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Endemic Disease

A disease that is constantly present within a population or geographic area.

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Environmental Destruction

The disruption of the natural environment, often caused by human activities.

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Antonine Plague

A pandemic that occurred between 165-180 AD, thought to be caused by either smallpox or measles, brought to Rome by soldiers returning from Mesopotamia.

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Plague of Justinian

An ancient pandemic that killed an estimated 25 million people in the Byzantine Empire and Mediterranean port cities, likely caused by a strain of the bubonic plague.

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The Black Death

A pandemic that ravaged Europe, Africa, and Asia between 1346 and 1353, killing an estimated 75 to 200 million people, most likely caused by the bubonic plague.

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Pathogen

An organism, typically a bacterium or virus, that causes a disease.

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Transmission

The way a pathogen spreads from one person to another.

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Epidemiology

The study of the distribution and determinants of health-related states or events in specified populations, and the application of this study to the control of health problems.

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Zoonotic Disease

A disease that can be transmitted from animal to human.

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Plague

An extremely dangerous and contagious infectious disease, often characterized by a high mortality rate

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What was the Asian Flu?

A global outbreak of the H2N2 influenza virus subtype that originated in China in 1956. Known for its rapid spread from China to Southeast Asia, Europe, and the United States. It caused an estimated 2 million deaths worldwide.

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What was the Hong Kong Flu?

The Hong Kong Flu pandemic of 1968 was caused by the H3N2 influenza strain, a genetic variant of the H2N2 subtype. It quickly spread globally from Hong Kong, impacting millions and resulting in over a million deaths.

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What is the HIV/AIDS pandemic?

A global pandemic caused by the HIV virus, first identified in 1976. It has resulted in over 36 million deaths since 1981. The majority of people living with HIV are in Sub-Saharan Africa, where it affects 5% of the population. New treatments have made HIV more manageable, leading to a decline in deaths.

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What is the COVID-19 pandemic?

A pandemic caused by the novel COVID-19 virus. This highly contagious virus emerged in Wuhan, China, in late 2019. It spread rapidly worldwide, leading to millions of infections and deaths. The WHO declared it a pandemic in early 2023.

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What does 'novel' mean in the context of a virus like COVID-19?

A term used for a virus that is new and previously unknown to humans. This means no one has immunity to it. It is highly contagious as people lack the natural defenses against the virus.

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Phase 1 Pandemic Alert

An influenza virus circulating among animals, with no known risk of transmission to humans.

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Phase 2 Pandemic Alert

Isolated instances of animal-to-human transmission of an influenza virus, indicating potential for a pandemic.

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Phase 3 Pandemic Alert

Small outbreaks of disease caused by animal-to-human transmission, with limited human-to-human spread.

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Phase 4 Pandemic Alert

Confirmed human-to-human transmission of the virus, causing sustained disease outbreaks.

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Phase 5 Pandemic Alert

Human-to-human transmission in at least two countries, indicating a pandemic is imminent.

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Phase 6 Pandemic Alert

Widespread and sustained transmission of an influenza virus among humans, indicating a full-blown pandemic.

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Factors Contributing to Pandemic Spread

Factors that facilitate the spread of infectious diseases.

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Infectiousness

The ability of an infectious agent to spread easily from one person to another.

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1889-1890 Flu Pandemic

A severe outbreak of the influenza A virus subtype H2N2, later found to be H3N8, that spread rapidly globally, claiming over a million lives.

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Sixth Cholera Pandemic (1910-1911)

The sixth outbreak of cholera, originating in India, spreading to several continents, and causing over 800,000 deaths, including 11 in the US.

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John Snow's Cholera Discovery

John Snow, a British physician, identified contaminated water as the source of a cholera outbreak. Unfortunately, the same year saw the worst year of the pandemic with 23,000 deaths in Britain.

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1918 Flu Pandemic

An unusually deadly outbreak of influenza, infecting over a third of the world's population and killing an estimated 20-50 million people.

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Disease Transmission

The ability of a disease to spread from one person to another. Often by contact, but can also be through air, water, or other means.

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Mortality Rate

The rate at which a disease causes death within a population.

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Disease Isolation

The process of rapidly isolating individuals infected with a disease to prevent further spread.

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Urban Population Growth and Disease

The impact of rapid population growth, especially in urban centers, leading to increased spread of diseases.

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Bacteriology

The study and understanding of bacteria and their role in diseases.

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Disease Control

The ability to identify and control diseases, often through advancements in medical knowledge and practices.

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Study Notes

Pandemics

  • A pandemic is a disease outbreak that spreads across many countries or continents, unlike an epidemic which is localized.
  • The coronavirus disease 2019 (COVID-19) pandemic is the worst crisis in Asia and the Pacific since World War II, causing economic contractions, trade disruptions, supply chain breaks, tourism losses, and increased poverty.
  • Epidemics can be caused by diseases, or behaviours like smoking; their growth is not necessarily contagious, unlike pandemics.
  • Pandemics are characterized by rapid and widespread disease transmission, facilitated by factors like high infectivity, human-to-human spread, and modern transportation.
  • The WHO defines pandemics, epidemics, and endemic diseases based on the disease's spread rate; a pandemic is widespread and out of control while epidemics are contained.
  • Pandemics can result in large-scale social disruptions, economic losses, and hardship.

Pandemic Preparedness Plan

  • The WHO has a six-phase pandemic alert plan:
    • Phase 1: An influenza virus is circulating in animals, with no risk of human transmission.
    • Phase 2: Isolated animal-to-human transmission events occur, indicating potential for pandemic spread.
    • Phase 3: Multiple cases of animal-to-human transmission, with limited human-to-human transmission capacity.
    • Phase 4: Confirmed human-to-human transmission of a disease spreading within a community. Control is impossible but a pandemic is evident.
    • Phase 5: Widespread sustained transmission of a disease in two countries; a pandemic is imminent; strategies for disease control must be implemented.
    • Phase 6: Widespread sustained human-to-human disease transmission.

Historical Pandemics

  • Antonine Plague (165 AD): Thought to be smallpox or measles, it devastated the Roman army and killed over 5 million.
  • Plague of Justinian (541-542): A bubonic plague outbreak affecting the Byzantine Empire and Mediterranean cities, estimated to have killed 25-50 million people and decimated 40% of the population of Constantinople.
  • The Black Death (1346-1353): A devastating bubonic plague pandemic affecting Europe, Africa, and Asia, killing between 75-200 million people, thought to have originated in Asia spread by rats and fleas.

Other Historical Examples of Pandemics

  • Third Cholera Pandemic (1852-1860): Originated in India, spread rapidly through Asia, Europe, North America, and Africa, killing over a million people.
  • 1889-1890 Flu Pandemic (Asiatic Flu or Russian Flu): An influenza A virus outbreak causing over a million deaths globally.
  • Sixth Cholera Pandemic (1910-1911): Originated in India; spread to the Middle East, etc.
  • 1918 Flu Pandemic: A highly lethal influenza pandemic infecting over a third of the world's population, estimated to have killed 20-50 million people.
  • Asian Flu (1956-1958): H2N2 influenza pandemic originating in China, estimated at 2 million deaths.
  • 1968 Flu Pandemic (Hong Kong Flu): H3N2 subtype, killed over a million people.
  • HIV/AIDS Pandemic (2005-2012): First identified 1976 in DRC; more than 36 million people died from 1981 to 2019. Estimates for deaths in 2005-2012 range from 1.6 million - 2.2 million.
  • COVID-19 (2019-202X): A novel coronavirus pandemic starting in Wuhan, China; the WHO declared a pandemic in 2020; over 700 million infected and about 7 million deaths globally.

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Description

This quiz explores the concept of pandemics, how they differ from epidemics, and the global impact of events like COVID-19. It also discusses the World Health Organization's phases of pandemic alert and preparedness planning. Test your knowledge on these important health topics.

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