Infectious disease Intro

Question 1

Difference between infectious and non infectious

Answer 1

Infectious: A disease caused by an infectious agent. The agent is external to the body.
Eg. Munching on ham and getting tapeworms giving u taeniasis

Non-Infectious: A disease caused by an internal imbalance within the body.
Eg. Genetic conditions, Cancer, Heart disease.

Question 2

Contagious vs infectious

Answer 2

Contagious -> infectious disease that can be passed to others

*All contagious disease are infectious disease

Question 3

What is a pathogen

Answer 3

An infectious agent that can cause disease

Question 4

How are pathogens transmitted

Answer 4

1. Airborne - dissolved in droplets or attached to dust particles
2. Vector-borne, transferred by a living thing
3. Contact - either directly or indirectly through vehicles (non living objects)

Question 5

What does R no. represent for infectious diseases

Answer 5

The number of people that one infected person will [ass on a virus to on average.

When the R value is less than 1 the disease will slow down.

Question 6

Epidemic vs pandemic

Answer 6

Epi - Local smaller area affected by an outbreak of infectious disease

Pan - wide spread / world wide outbreak of infectious disease

Question 7

Disease vs infection

Answer 7

Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply.

Disease, which typically happens in a small proportion of infected people, occurs when the cells in your body are damaged as a result of infection, and signs and symptoms of an illness appear.