Epidemiology

Question 1

What is epidemiology

Answer 1

Epidemiology is the study (scientific,systematic,and data-driven)of the distribution (frequency,pattern) and determinants (causes,risk factors) of health-related states and events (not just diseases) in specified populations (neighbourhood,school,city,state,country,global)

Question 2

What does outbreak mean

Answer 2

A outbreak is a sudden rise in the number of cases of a disease

Question 3

Where can an outbreak occur

Answer 3

In a community or geographical area, or may affect several countries

Question 4

How long will an outbreak last

Answer 4

A few days or weeks or even several years

Question 5

Some outbreak are

Answer 5

Expected each year e.g influenza

Question 6

A single case of an infectious disease is called

Answer 6

An outbreak. This is in cases when a disease is rare or has serious health implications.

Question 7

What is an epidemic

Answer 7

An epidemic occurs when an infectious disease spreads rapidly to many people. In 2003, the severe acutely respiratory syndrome (SARS) epidemic took the lives of nearly 800 people worldwide.

Question 8

What is a pandemic

Answer 8

A pandemic is a global disease outbreak

Question 9

It is different to an epidemic because it

Answer 9

-affects a wider geographical area, often worldwide
-infects a greater number of people than an epidemic
-is often caused by a new virus or a strain of virus that has not circulated among people for a long time. Humans usually have little to no immunity against it. The virus spreads quickly from person-to-person worldwide
-causes much higher numbers of deaths than epidemics
-often creates social disruption,economic loss and general hardship.