Pathogens and communicable diseases Flashcards
What is a disease?
condition that impairs the normal functioning of an organism
What is a pathogen?
organism that causes disease. (bacteria,viruses, fungi and protoctista)
What is a communicable disease?
It can be spread
What does TB affect and what is the pathogen responsible?
Affects: animals, normally humans + cattle
Pathogen: bacterium
What does bacterial meningitis affect and what is the pathogen responsible
A: humans
P: Bacterium
What does Ring Rot affect and what is the pathogen responsible
A: potatoes and tomatoes
P: bacterium
What does HIV/AIDS affect and what is the pathogen responsible
A: Humans
P: virus
What does Flu affect and what is the pathogen responsible
A: animals
P: Virus
What does Tobacco mosaic virus affect and what is the pathogen responsible
A: plants
P: Virus
What does Black sigatoka affect and what is the pathogen responsible
A: banana plants
P: fungus
What does Ringworm affect and what is the pathogen responsible
A: Cattle
P: Fungus
What does Athlete’s foot affect and what is the pathogen responsible
A: humans
P: fungus
What does Potato/tomato late blight affect and what is the pathogen responsible
P: protoctist
What does Malaria affect and what is the pathogen responsible
A: animals
P: Protoctist
What is direct transmission
when a disease is transmitted directly from 1 organism to another. (Droplet infection, sex, touching an infected organism)
What is indirect?
when transmitted via an intermediate (air, water, food, or other organism)
What are the factors that affect disease transmission?
Overcrowded living conditions increase rate
Climate can also affect the spread
In humans, social factors
