BELL WORK

1
BELL WORK
Write about how you could prevent communicable
diseases from spreading.
2
COMMUNICABLE DISEASES

• COMMON COMMUNICABLE DISEASES

3
OBJECTIVES

• explain what causes colds and how they can be
  treated.
• identify some common communicable diseases.
• describe the symptoms of some common communicable
  diseases.

4
WHEN YOU HAVE A COLD

• GET PLENTY OF REST
• SOME OTC MEDICINES CAN HELP RELIEVE COLD SYMPTOMS
• STAY HOME AT LEAST 24 HOURS AFTER COLD SYMPTOMS
  APPEAR

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FLU SYMPTOMS

• FEVER
• HEADACHES
• MUSCLE ACHES
• RESPIRATORY PROBLEMS

6
FLU

• The flu is spread by one of three main types of
  influenza viruses, each with several different
  strains.
• Scientists try to anticipate which strains will
  spread fastest and create enough flu vaccines for
  the following year.

7
CONTAGIOUS PERIOD

• Often, the contagious period of a communicable
  disease includes a length of time before the
  infected person starts to show symptoms.
• contagious period The length of time that a
  particular disease can be spread from person to
  person

8
MONONUCLEOSIS

• Mononucleosis is spread through contact with the
  saliva of an infected person.
• mononucleosis A viral disease characterized by
  a severe sore throat and swelling of the lymph
  gland
• Mono is also spread through sharing contaminated
  eating utensils and drinking glasses.

9
HEPATITIS

• There are three types of hepatitis.
• hepatitis A viral disease of the liver
  characterized by yellowing of the skin and the
  whites of the eyes

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HEPATITIS
HepatitisA

• Most commonly spread through food or water that
  has been contaminated with human waste.
• Vaccines can protect people from this type.

HepatitisB

• Most commonly spread through contact with
  contaminated blood or other body fluids.
• Vaccines can protect people from this type.

HepatitisC

• Most commonly spread through contact with
  contaminated blood or other body fluids.
• Medications can help treat people with this type.

11
TUBERCULOSIS

• Because tuberculosis spreads easily through the
  air, people are regularly tested for the disease.
• tuberculosis A bacterial disease that usually
  affects the lungs
• Sometimes people who test positive for TB show no
  symptoms.

12
PNEUMONIA

• Pneumonia can be caused by a virus or bacteria.
• pneumonia A serious inflammation of the lungs
• Pneumonia can be spread through direct or
  indirect contact.

13
STREP THROAT

• Left untreated, strep throat can lead to serious
  complications, such as heart or kidney damage.
• strep throat A sore throat caused by
  streptococcal bacteria
• Strep throat is spread through direct or indirect
  contact and can be easily treated with
  antibiotics.

14
STREP THROAT

• Symptoms of strep throat include a red and
  painful throat, fever, and swollen lymph nodes in
  the neck.