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GERMS - PowerPoint PPT Presentation


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GERMS. Are EVERYWHERE Air, plants, food, soil, water, all surfaces Even in our BODIES ! Our immune system protects us against them except for a few nasties and those microbes that mutate. Germs . Bacteria Viruses Fungi Protozoa Helminths. Types of Germs / Microbes.

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Presentation Transcript
germs1

Are EVERYWHERE

Air, plants, food, soil, water, all surfaces

Even in our BODIES !

Our immune system protects us against them except for a few nasties and those microbes that mutate

Germs
types of germs microbes

Bacteria

Viruses

Fungi

Protozoa

Helminths

Types of Germs / Microbes
bacteria

1 celled organisms visible only thru microscope

So small that 1,000 bacteria can wrap themselves around 1 pencil eraser

Shapes: rod, sphere, spiral

Not all are harmful – only 1% cause disease

Ex: Lactobacillius acidophilus

BACTERIA
slide5

Methicillin resistant staphylococcus aureaus

Blamed for 94,000 infections in 2005 and 19,000 deaths

Dangerous because it is resistant to broad spectrum antibiotics

Symptoms begin with small red bumps that get larger + fever + rash + heat + swelling + pus + painful

MRSA
how to protect yourself

Wash Hands !!!

  • Keep Personal Items Personal
    • Don’t share combs, brushes, razors, jewelry, soap, towels, equipment, headphones, cell phones
  • Keep open wounds/sores covered with sterile, dry bandage
  • Shower with soap and water
  • Wash towels, sheets, clothes, uniforms
  • Use antibiotics properly
HOW to protect yourself:
viruses

Tiny capsules that hold genetic material

Reproduce by invading cells, injecting their DNA, killing host cell

Antibiotics are INEFFECTIVE

Ex: AIDS, Influenza, Ebola, genital herpes, measles, smallpox

viruses
protozoa

Single cell organism

Some are harmless and live in our intestines

Harmful = Giardia, Malaria

protozoa
helminth

Can enter your body, take up residence in your intestinal tract, lungs, liver, skin, brain through nymph stage or larval/egg stage

Helminth
our immune system protects us
Our immune system protects us
  • Except…
  • When to seek medical care:
  • Animal/human bite
  • Difficulty breathing
  • Cough that lingers more than one week
  • Fever 100+
  • Rapid heart rate
  • Rash that doesn’t go away
  • Rash + Fever
  • Redness + swelling + pain + pus + Fever
  • Blurred vision
  • Persistent vomit
  • Unusual/severe headache