Emergence of pathogens

Question 1

Infectious diseases

Answer 1

Illness caused by a pathogen that can be transmitted between individuals

Question 2

How a pathogen may impact a population

Answer 2

1. How contagious the pathogen is
2. How virulent it is (severity of disease by pathogen)

Question 3

Emerging pathogen

Answer 3

-New to humans (caused by previously unknown pathogens)
OR
-disease increased in incidence

Question 4

Re emerging pathogen

Answer 4

-infectious disease that was under control but is now increasing in incidence

Question 5

Factors contributing to the emergence and re emergence of pathogens

Answer 5

triple i, GEC

Question 6

Increasing human population

Answer 6

First I

Question 7

Increased exposure to animals

Answer 7

as population of humans increases , interactions with animals increases

Question 8

insufficient vaccination

Answer 8

loss of herd immunity

Question 9

Globalisation

Answer 9

International travelling increases spread of pathigens

Question 10

Evolution of pathogens

Answer 10

Zoonosis - disease passed from animal to human host

Question 11

Changing technology

Answer 11

e.g pathogens in air conditioners

Question 12

epidemic

Answer 12

sudden increase of disease in specific population at specific location

Question 13

pandemic

Answer 13

epidemic spread to different countries/continents

Question 14

endemic

Answer 14

constantly present in a population or region with relatively low spread