Infectious Disease

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Infectious Disease
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1. Infectious Disease

• Any disease that is caused by an agent that has
  invaded the body.

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2. Pathogen

• Any agent that causes disease.

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3. Common Pathogens

• Bacteria single celled organisms.
• Viruses genetic material covered in a
  protein shell.
• Fungi absorbs nutrients from living
  and nonliving organisms.
• Protozoa single celled organisms that
  are more complex than bacteria.
• Parasites organisms that get their
  energy from other living things.

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4. Transmission of Disease

• Person-to-person sneezing, coughing,
  sharing drinks, contact.
• Food and Water improperly treated water,
  and improperly prepared foods.
• Environment doorknobs, money, and soil.
• Animals pets, stray animals, and insects.

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5. Treatment

• Bacterial infections antibiotics
• Viral infections no cure, symptoms are treated,
  must run its course.
• Fungal infections OTC antifungal, oral meds in
  severe cases.
• Protozoan infections prescription meds.
• Parasitic infections medicated shampoos (lice),
  prescription meds.

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6. Bodys defenses

• Physical Barriers
• Skin
• Mucous membranes
• Chemicals sweat, stomach acid, tears
• Inflammatory Response
• Immune System
• Antibodies
• White blood cells

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7. Inflammation (-itis)

• A reaction to injury or infection that is
  characterized by, pain, redness, and swelling.

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8. Precautions

• Wash your hands
• Eat a healthy, well-balanced diet.
• Drink water (8-10 glasses a day)
• Reduce stress levels

• Exercise regularly
• Regular medical checks
• Avoid close contact with sick people.
• Get enough sleep
• Get vaccinated

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9. Prevention

• Get vaccinated
• Keep clean
• Bathing
• Washing hands
• Dont share personal items
• Toothbrushes
• Hairbrushes
• Food and drinks
• Makeup (lip gloss, eyeliner)
• Cover your mouth when coughing or sneezing.
• Be on guard outdoors
• Insect repellant
• Dont drink from streams (boil water for 10 min.)
• Wild animals

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10. Common Viral Infections

• Influenza (flu)
• Cold
• Mumps
• Measles
• Mononucleosis
• Hepatitis

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11. Other common infections

• Fungal athletes foot ringworm
• Protozoan malaria, amoebic dysentery
• Parasitic lice, leeches, ticks, tapeworms,
  hookworms, and pinworms.