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Infectious Diseases

Four main types of infectious agents

bacteria

protozoa

  • release tissue damaging toxins
  • could be transmitted by physical contact or through the air
  • spread through the body by attaching to cells to multiply.

  • make you sick when they become human parasites
  • through contaminated food, water, the bite of an insect, or person-to-person contact
  • parasites spread through the body when they enter the blood stream

fungi

Disease prevention

  • make you sick by feeding off living material which could cause an infection
  • produce microscopic spores which can cause fungal infections
  • contact and inhalation of the spores causes disease
  • spores can be in the air or the soil.

Stay Clean

viruses

  • viruses inject their genetic material into the cell causing the cell to make copies of the virus
  • Viruses are spread through the air and physical contact

Get Vaccinated

  • Wash your your hands- the obvious thing to do, wash your hands before you eat or prepare food.
  • Take showers or baths at regular
  • Keep your house clean- leaving food around and letting it go bad could cause fungi, bacteria, mold, or anything else to grow.
  • injection of a dead or weakened disease- causing microorganism
  • can't cause disease but it builds up the immune system against the disease
  • this type of immunity can last very long

Take precautions

Things To Avoid

  • Eat meat that is cooked fully
  • Try to travel wisely
  • Don't share drinks or food
  • Try not to touch your face or eyes
  • Avoid contact with people that are sick
  • Don't drink water from the wild that has not gone through a cleaning process
  • Don't go into stagnant water over 80 degrees Fahrenheit
  • If you think you are sick contact a doctor

Illnesses

Bacterial Diseases

  • Streptococcal Infection-cause strep throat
  • Pneumonia- one form is caused by bacteria. cough, chest pain, fever
  • Legionnaire's Disease- waterborne disease similar symptoms to pneumonia.

Viral Diseases

  • Influenza (flu) some symptoms are nausea, diarrhea and fever
  • Measles- itchy rash and high fever
  • Mononucleosis- sore throat, fever, and aching joints

fungal diseases

  • ring worm-skin infection
  • athletes foot- itching and burning
  • aspergillus- fever, chills, and nosebleed

protozoa diseases

  • Malaria-chills, vomiting, fever, and sweating
  • tape worms- nausea, weakness, and diarrhea
  • giardiasis- fatigue, vomiting and diarrhea

ring worm

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