Disease (Chain Of Infection) Flashcards
Define health
A state of complete physical, mental and social well-being and not merely the absence of disease
What is the impact of disease in a force?
Manpower wastage
Unit mission failure
Waste of limited resources
What are the 2 categories of disease?
Communicable
Non-communicable
What types of organisms can spread disease?
Bacteria
Viruses
Parasites
Protozoa
Fungi
Helminths
What are examples of non-communicable diseases?
Climatic injuries
Physical injuries
Dietary deficiencies/excesses
Cancers
Genetic disorders
Psychiatric disorders
What are the 5 sources of infection?
Case
Contact
Corpse
Carrier
Convalescent
What are the routes of infection?
Airborne
Ingestion
Contact
Arthropod
How are airborne pathogens transmitted?
Sneezing, coughing or talking
Heavy droplets
Medium droplets
Droplet nuclei - remain suspended
What are examples of airborne bacterial diseases?
Whooping cough
Meningitis
Diphtheria
Pneumonia
Tuberculosis
What are examples of airborne viral diseases?
Chickenpox
Influenza
Measles
Mumps
Smallpox
How do ingestion pathogens get into the body?
Contaminated food
Contaminated water
What are the 3 main groups of ingestion pathogens?
Bacterial food poisoning
Viral gastroenteritis
Parasitic infections
What are examples of ingestion born diseases?
Colera
Bacillary dysentry
Salmonella
E.Coli
Rotavieus
Norovirus
Giardia
Cryptosporidium
What are the 2 modes of infection from an arthropod?
Biological
Mechanical
What are examples of biological arthropod diseases?
Malaria
Leishmaniasis
Yellow fever
Sleeping sickness
Dengue fever
What are examples of mechanical arthropod diseases?
Louise borne typhus
Many of the ingestion diseases
What are the 2 modes of disease spread with contact diseases?
Direct - contact with person or animal
Indirect - contact with inanimate object
What are examples direct contact diseases
STI’s
Scabies
Rabies
Q fever
What are examples of indirect contact diseases
Fungal skin infections
Impetigo
Gingivitis
Verruca
How might waterborne disease enter the body?
Bathing
Washing
Drinking
Food prep
How do organisms contaminate food or water?
Inadequate waste disposal
Inadequate food chain controls
Poor food prep / storage
Untreated or contaminated drinking water
Pest
Poor personal hygiene
What are the diseases of military importance?
WILDCATS GPC
Worms
Infectious hepatitis
Leptospirosis
Dysentry
Cholera
Amoebic dysentry
Typhoid
Schistosomiasis
Gastroenteritis
Polio
Crytpsporidium
What causes food poisoning?
Chemical or biological toxins