Agents of Disease

The way an infectious disease is spread

• Transmission

• Translation

• Emission

• Direct Contact

• Indirect Contact

When a pathogen is moved from person to person through physical touch (kissing, hugging, close-up sneezing, shaking hands).

• Transmission

• Translation

• Emission

• Direct Contact

• Indirect Contact

Pathogens transmitted via contaminated food or water.

• Direct Contact

• Indirect Contact

• Airborne Transmission

• Foodborne Tranmission

• Vector-Borne Transmission

Is heart disease considered an infectious disease?

• No, because it is not contagious

• Yes, because lots of people have it

How can the rate of an infectious disease be reduced?

• By preventing transmission between people

• By wearing clean clothing

What is significant about an infectious disease?

• It is caused by pathogens and can be passed from person to person

• It is not caused by a pathogen and cannot be passed from one person to another

Which type of infectious agent has to "hijack" a cell in order to make copies of itself? 

• Bacteria
• Virus
• Helminthe
• Protozoa

Which are examples of environmental reservoirs for diseases/ infectious agents? (mark all that apply)

• Contaminated food

• Soil

• Water

• Fomites (objects or materials)

What are these following structures examples of:
-Respiratory Tract
-Gastrointestinal Tract 
-Mucous Membrane
-Skin Lesions/ cuts/ abrasions

• Sources of entry/ exit
• Vectors 
• Infectious Agents 
• Modes of Transmission 

Strep Throat, Pneumonia and Staph Infection are all examples of

• Viruses

• Bacterial

• Prions

• Protozoa