Medicine: Past and Present plague infected microbes

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Medicine Past and Present

• plague
• infected
• microbes
• antibodies
• bacteria
• vaccine
• epidemic
• immune
• dispel
• sterilize

Open Court 4th Grade Unit 3 From Mystery to
Medicine Lesson 1 Medicine Past and Present
Melissa Lape Wilson Elementary
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plague Use context clues

• In the middle of the fourteenth century, an
  epidemic called the Black Plague swept across
  Europe, Asia and Africa.
• A plague that swept through the country left few
  people alive.

plague - a disease that kills a large number of
people
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infected Use context clues

• Why did some wounds get infected and others heal?
• Wash that cut on your hand so it doesnt get
  infected with germs.

Infected - having germs that cause disease
Video http//www.cdc.gov/ncidod/op/handwashing.htm
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microbes Use context clues

• He found many different kinds of microbes, as
  these tiny animals are called today.
• Tiny plants or animals called microbes, or germs,
  cause disease.

microbes - tiny organisms or germs too small to
be seen without a microscope.
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Antibodies Use context clues

• He tried to think of a way of getting the body to
  develop these antibodies to attack the disease
  without having to get smallpox first.
• A persons body makes antibodies that fight
  against the effects of disease germs.

Antibodies - special substances produced by the
body that destroy or weaken germs
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bacteria Use context clues

• Before he could make the connection between these
  bacteria, or germs, and diseases, he had a more
  difficult job.
• Bacteria is another name for germs that cause
  disease.

bacteria germs
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vaccine Use context clues

• Using this information, Pasteur was able to
  develop a vaccine for anthrax.
• Getting a vaccine for measles protects you from
  catching the disease.

vaccine special substances used to protect a
person or animal from a disease
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• epidemic -
• an outbreak of disease that spreads quickly to
  many people

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• Immune-
• not able to get certain diseases

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• dispel
• Prove wrong

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• Sterilize-
• To make free from germs

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• When harmful microbes, or germs, enter the body,
  they multiply and cause disease.
• This is called infection.
• Your body's defenses usually do a killer job of
  squelching harmful microbes. But sometimes germs
  multiply faster than the body can handle and you
  get sick. People come in contact with germs in
  many ways, including

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• Contaminated blood Harmful microbes can enter
  your body through your bloodstream.
• Infected food or water Dangerous microbes can
  enter through your mouth if you drink untreated
  water or swallow food that's uncooked or
  unwashed.
• Disease-carrying creatures Harmful microbes can
  enter your body through close contact with
  infected creatures.
• Germy air Dangerous microbes can spread through
  the air and enter your nose and mouth when you
  breathe.

http//www.amnh.org/nationalcenter/infection/index
.html
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