Diffusions of disease.

Question 1

Diffusion and spread of diseases.

Answer 1

The closer the areas are to the source, the more likely and quickly you are to be affected/infected.

Question 2

Distance Decay

Answer 2

negative relationship between distance and interaction.The greater places are apart, the less effect they have on each other

Question 3

Friction of distance.

Answer 3

due to effort and cost of moving across space, distance acts as friction against travel

Question 4

R0, pronounced “R naught,”

Answer 4

is a mathematical term that indicates how contagious an infectious disease is.(aka Reproduction number)

Question 5

Diseases’ R0 value

Answer 5

only applies when everyone in a population is completely vulnerable to the diseases.
This means.
no one has been vaccinated
no one has had the disease before
there’s no way to control the spread of the disease

Question 6

Expansion

Answer 6

disease has source and expands into new areas. Malaria

Question 7

Contagious

Answer 7

spread of infectious disease through direct contact with infected .eg. Ebola

Question 8

Hierarchical:

Answer 8

spreads through an ordered sequence of places (hamlet to city) eg. Plague

Question 9

Relocation:

Answer 9

those infected move away from source eg. HIV or Zika.

Question 10

Network:

Answer 10

spread along transport routes/social networks. eg.Chicken pox