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vocabulary Infectious disease: any disease that is caused by an agent that has invaded the body

Preventing

infectious diseases

Pathogen: any agent that causes disease Bacteria: tiny single-celled organisms some of which can cause diseases

Viruses: tiny disease-causing particles made up of genetic material and a protein coat

Fungi: organisms that absorb and use the nutrients of living or dead organisms

Antibiotic resistance: condition in which bacteria can no longer be killed by a particular antibiotic

Inflammation: reaction to injury or infection that is characterized by swelling

Lymphatic system: a network of cells that carry lymph throughout the body

White blood cells: blood cells /;that defend the body against disease

Vaccines: made from killed pathogens to help create immunity

Symptoms: changes caused by disease or disorder

Meningitis: bacteria illness Hepatitis: viral disease

know what infectious diseases are, how to tell if you have one, and how to prevent one.


Section 1: what are infectious diseases

section 2: protecting yourself from

section 3: common infectious diseases

infectious diseases

Five agents that can cause infectious disease 1. Bacteria

4. Protists

2. Fungi

5. Parasites

How the body fights infectious disease Your body uses physical barriers (such as your skin, mucous membranes, and chemicals), inflammatory response, and your immune system.

3. Viruses Five things a person can do to stay well Four ways infectious diseases spread 1. Person to person

3. Environment

2. Food and water

4. Animals

1. Protect yourself 2. Eat a health balanced diet

Infectious diseases affect everyone. No matter how healthy you are, there are too many infectious diseases to avoid them all.

Two common bacterial diseases are tetanus and meningitis. Symptoms of tetanus are severe muscles spasms. Tetanus is often found in soil and can enter the body through cuts. The best way to prevent it is to get vaccinated. Meningitis has symptoms such as severe headaches, fever, stiff neck, sensitivity to light and nausea. It is spread by contact. The best way to prevent it is to get vaccinated as well.

3. Drink water Two treatments for infectious diseases

4. Reduce stress levels 5. Exercise on a regular basis

1. Use antibiotics 2. Use a shampoo to get rid of lice

Ways to prevent the development of antibiotic resistant bacteria 1. don’t take antibiotics for a viral disease. 2. follow the prescription a doctor gives you and be sure to finish it.

Two common viral diseases are the flu and hepatitis. They are both really bad and you don’t want them but hepatitis is worse.

How does immunity develop? When a virus or bacteria enters your body, your immune system immediately starts trying to fight it. In all the ways that it does, over time your immune system will have eventually built up what is called immunity for that certain type of infectious disease

Three things to do when you get sick 1. stay home 2. drink plenty of fluids 3. follow your doctors instructions

Things you can do to prevent the spread of infectious disease 1. get vaccinated 2. keep clean 3. cover you

A fungal infection is athletes foot. A protozoan infection could be one such as malaria. A parasitic infection could be a tapeworm The center for disease prevention and control and the national institution of health are two groups who could help treat and prevent the spread of infectious diseases.


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