# 56 Summary of Infectious diseases and Antibiotics

1 The term disease is defined as a disorder or illness that disrupts the normal functioning of the body or mind. Infectious diseases are caused by organisms known as pathogens that invade the body. Non-infectious diseases are all other diseases that are not caused by pathogens. There are many categories of non-infectious diseases including genetic diseases and deficiency diseases, which are caused by malnutrition.

#55 Infectious diseases and Antibiotics

An infectious disease is one that can be passed between one person and another. Infectious diseases are caused by pathogens. These are usually microorganisms such as viruses, bacteria, fungi or protoctists.

A non-infectious disease cannot be passed between people and is not caused by pathogens. Examples include sickle cell anaemia and lung cancer.

# 54.2 Infectious disease - Syllabus 2016 - 2018

10.1  Infectious diseases
10.2  Antibiotics

# 54.1 Infectious disease - Syllabus 2015

• Cholera, malaria, tuberculosis (TB), HIV/AIDS, smallpox and measles
• Antibiotics