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Evangeline E.

@evafe55

Phases of a Pandemic

The one staging model used to direct the public health response involves the flu. The same basic model can be applied with variations to epidemics like tuberculosis or malaria.

Phases 1 through 3 help public health officials know it is time to develop tools and action plans to respond to an impending threat.
Phase 4 through 6 happen when action plans are implemented in coordination with the WHO.

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When Does an Epidemic Become a Pandemic?

verywellhealth.com

TOPICS IN THIS IDEA

Health

The 10 deadliest epidemics throughout history

In an age of advanced medical technology and innovation, we can hardly imagine a time where the flu could be deadly. There are definitely still epidemics in our time, like for example the recent Ebola outbreak. However, the epidemics in the past involved far greater numbers of people.

health24.com

The Third Cholera Pandemic (1852-1860)

Cholera is a bacterial infection and is mainly contracted through food and water.

The largest cholera outbreak originated in India and spread beyond its borders, killing about 23 000 people ...

The Asian Flu Pandemic (1957)

The Asian Flu Pandemic was an outbreak of avian influenza that started in China and spread worldwide.

The estimated death rate was one to two million people.

Typhus fever in World War 1 (1945)

Typhus fever is spread by lice. The war brought on poor sanitation that probably led to a higher density of lice and made the transmission more prevalent.

Typhus fever caused three million deaths in Russia alone.

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Lauren W.

@lau_w51

Pandemics That Changed History: Timeline

As human civilizations rose, these pandemic diseases, from the bubonic plague to smallpox to influenza, struck them down.

history.com

Spreading of diseases

Transmissible diseases existed during humankind’s hunter-gatherer days, but the shift to agrarian life 10,000 years ago created communities that made epidemics more possible.
We started build...

430 B.C.: Plague of Athens

The earliest recorded pandemic happened during the Peloponnesian War. It passed through Libya, Ethiopia, and Egypt, and it reached Athens as the Spartans laid siege. Two-thirds of the population died.
The disease, suspected to have been typhoid fever, weakened the Athenians significantly and played a big role in their defeat by the Spartans.

165 A.D.: The Antonine Plague

It may have been an early appearance of smallpox that began with the Huns.
The Huns then infected the Germans, who passed it to the Romans and then returning troops spread it throughout the Roman empire. This plague continued until about 180 A.D., claiming Emperor Marcus Aurelius as one of its victims.

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Andrea A.

@andreafaa157

A visual history of pandemics

As humans have spread across the world, so have infectious diseases. Even in this modern era, outbreaks are nearly constant, though not every outbreak reaches pandemic level as the COVID-19 has.

weforum.org

A History Of Pandemics

A Pandemic is defined as the proliferation of a disease over the whole country or the entire world.
Diseases and illnesses have troubled humanity since the earliest days, but ...

Quarantined

The original use of the word Quarantine was the act of anchoring a ship arrived in Venice, Italy, for 40 days before landing.
Infectiousness of any disease is measured by the reproduction number (R0, or R naught). For example, Smallpox has an R0 of 6 whereas Measles has an R0 of 16.
Vaccination, if available, and herd immunity can curb the spread of disease.
Big cities, with exploding population and traffic, can lead to the rapid spread of any infectious disease.

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