Human Health Chapter 4.1

Chapter 4:
Human Health

4.1 Infectious Disease and Non-
Infectious Diseases

By: Hanis Azlin Binti Azmi
Class: 2 Al-Khawrizmi
Collage Number: PT201047

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DEFINATION OF
INFECTIOUS & NON-INFECTIOUS DISEASE

Infectious diseases are transmitted from person-to-
person through the transfer of a pathogen such as
bacteria, viruses, fungi or parasites.

Non-infectious disease cannot be transmitted
through a pathogen and is caused by a variety
of other circumstantial factors.

INFECTIOUS DISEASE

^_^Can spread from one person
to another.

^_^Due to infection by
microorganism that cause
diseases (pathogen) or brought by
vectors or through a medium.

Examples:
~Dengue
~Influenza
~Tinea

NON-INFECTIOUS

^-^Cannot spread from a
person to another.

^-^Caused by
lifestyle,genetic factors or
both.

Examples:
~Cancer
~Diabetes
~Cardiovascular Disease

How Are Infectious
Disease Spread

Airbone Waterbone
Disease Disease

Through Through
Contact Vector

Airbone Disease

How Does It Spread? Ways Of Prevention

-It is actually spread by two >.< Cover mouth and nose
ways which is droplet and dust when coughing or sneezing.
transmission. >.< Don’t spit everywhere.
>.< Wash hand and use
Droplet- Liquid droplets an infected sanitizer after sneeze or cough.
person talks,sneeze or cough.

Dust
Transmission- Bacteria in the saliva

of an infecyed person dry up
and form spores which are
spread together with the dust.

Waterbone Disease Ways Of Prevention

How Does It Spread? >.< Wash hands
after going to toilet.
-Cause by a variety of microorganisms, >.< Boil water and
biotoxins,and toxic contaminants,which cook food properly.
lead to divastating illnesses. >.< Build proper and
clean sanitation
-Usually happens in area with system.
inadequate water supply and poor
sanitation.Other than that, food also
can spread waterbone disease.

Through Contact Ways Of Prevention

How Does It Spread? >.< Take care of our
personal hygiene.
-Accidentally touching the infected >.< Clean floor surface
skin or wearing the clothes of an and tables with
infected person. disinfectant.
>.< Don’t have sex before
-Sex with multiple partners. marriage.

-Blood transfusion.

-Sharing injection needles.

Through Vectors

How Does It Spread?

-Vectors will carry the disease causing organisms.

Vector Pathogen Disease Method Of
Transmission
Aedes Mosqoitoes Dengue & Zika virus Dengue & Zika Moisquitoes bites
Anopheles Malaria Mosqitoes bites
Mosquitoes Plasmodium malarie
Rats virus Leptospirasis Food and drinks
contaminated rat
Flies and Leptospira sp. urine
Cockroaches Bacteria Contaminated food
and drinks.
Salmonella typhi & Typhoid & Cholera
Vibra cholera

bacteria