1. Introduction

Question 1

What are the three point of the one health model

Answer 1

Animal environment and human

Question 2

Wh is john snow

Answer 2

Innovated several of the key epidemiological methods that remain valid and in use today

Believed cholera that was transmitted by contaminated water

Question 3

Snows experiment

Answer 3

Cholera outbreak related to those living by and served by a different water company. He stopped the pump were a lot of people got the water from and turned it off and handle was removed

Question 4

Definition of health

Answer 4

Health is a state of complete physical mental and social well being and not merely the absence of disease or infirmity

Question 5

Definition of disease

Answer 5

A sense of health pathological condition occurring in a susceptible host

Question 6

Definition of epidemiology

Answer 6

The study of what is upon the people

Epi= upon
Demos = people
Logos= study

Question 7

Easier definition of epidemiology

Answer 7

Study of the health of populations

Question 8

Definition of case definitions

Answer 8

Standard set of criterial for deciding whether an individual has a particular health condition

Defines a case in terms of person place and time

Can be sensitive specific and influenced by number of cases

Question 9

Why is it important that CDs are consistent

Answer 9

Case numbers change if you change what you define the disease as numbers can change either higher or lower. Example aids

Question 10

Definition of an epidemic or outbreak

Answer 10

The occurrence of more cases of disease than expected in a given area or among a specific group of people over a particular period of time

Question 11

Definition of pandemic

Answer 11

An epidemic that becomes very widespread and affects a whole region a continent of world due to a susceptible population

Question 12

Definition of endemic

Answer 12

Will just always be there no longer pandemic

Question 13

What defines a true pandemic

Answer 13

High morbidity and significant mortality

Question 14

What is attack rate

Answer 14

Number of new cases in population at right over number of people in population at risk times 100

Question 15

What is the crude mortality rate

Answer 15

Is the mortality rate from all causes of death for a population during a specified time period

The denominator is the total population at the mid point of the time period

Question 16

What is the case fatality rate

Answer 16

The proportion of animals/persons with a particular condition who die from that condition

Numerator = number of deaths among those cases

Denominator = is the number of incident cases

Question 17

What is the cause specific death rate

Answer 17

The number of deaths from a specified cause per person or animal years at risk

Numerator = restricted to resident deaths in a specific geographical area

Question 18

What is the epidemiological triad

Answer 18

3 points

Agent host and environment