Smallpox

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Smallpox

• Smallpox

Alicia Mayhew Cindy Ong Linda Trang Vasiliy
Veklinets
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Smallpox

• Smallpox is a viral disease
• characterized by a skin rash and a high death
  rate.
• Smallpox is a serious, contagious, and
• Sometimes fatal infectious disease

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More Info

• Caused by Variola virus
• Each Infected individuals infects an average of
  20 others.
• Originated in Africa.
• Spread to India and China.

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Virgin Soil Epidemic is known as a factor in
the aboriginal depopulation in America.
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Virgin Soil Epidemic

• The theory that epidemics is responsible for the
  awesome diminution in the number of Native
  Americans.
• United State Soldiers in
• Civil War
• 1738 half the Cherokees
• 1759 nearly half the Catawba
• 1820 the fever in the Columbia River area

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Continue Epidemics

• The Europeans biggest virgin soil epidemic went
  on for 100 to 200 years.
• The decline in American aborigines went for 400
  years.
• During the epidemic
• the number of Madams
• shrank from about
• 1,600 to between 125 145.

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Possible ways getting small pox

• Face to face contact with someone that has small
  pox.

• Direct contact with infected bodily fluids or an
  object such as bedding or clothing

• Exposure to an aerosol release of smallpox (the
  virus is put in the air).

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Small Pox

• Smallpox is derived from the Latin word for
  spotted and refers to the raised bumps that
  appear on the face and body of an infected
  person.

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Following Stages..
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1. Incubation Period
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2.
Initial Symtoms
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• 3. Early rashes
• A rash emerges as small red spots.
• Develop into sores
• Becomes more contagious
• Rash appears on the skin, starting with face,
  arm, legs, hand to feet.
• Spread about 24 hours.

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5. Pustules and scab

• 4 .Pustular rash

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• 6. Resolving scab
• Scabs comes off
• Leaving marks on skin
• About 3 weeks most scab will fall off.

7. Resolved scabs Person is contagious
until all scabs are fallen off.
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After Smallpox

• Majority of patients recover, but death 30 of
  cases.
• Many permanent scars forever.
• There is no proven treatment for smallpox.

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Vaccine

• Small pox can be prevented by vaccine.
• Vaccine helps body develop immunity to smallpox.

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Vaccinia

• Vaccine made from live virus called Vaccinia.
• Poxtype virus.
• Does not contain smallpox.
• Cant get smallpox from vaccine.

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Bifurcated (needle)

• Small pox vaccine is not given with a hypodermic
  needle.

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Side Effects

• Head and body Aches
• Rash
• Fever
• Trouble Sleeping
• 1 out of 3 feel bad enough to miss work or school

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Smallpox

• 1950s
• An estimated 50 million killed.
• 1977
• Last out break in Somalia.
• 1972
• Last U.S. outbreak in Texas.
• 1980
• The WHO declared the disease
• eradicated.