Skip to Main Content

Infectious Diseases

Infectious diseases are also called communicable diseases and are considered contagious.


"Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites."


Mayo Clinic

Infectious Disease Facts

  • Three infectious diseases were ranked in the top ten causes of death globally in the most recent survey by the World Health Organization:
    • Lower respiratory infections (3.1 million deaths)
    • HIV/AIDS (1.5 million deaths)
    • Diarrheal diseases (1.5 million deaths)
  • In low income countries, malaria and tuberculosis accounted for an additional two of the major ten causes of death

(Baylor College of Medicine)

Notable infectious diseases:

  • Chickenpox and Shingles
  • Cholera
  • Diarrheal Diseases
  • Ebola
  • E. Coli
  • Hepatitis
  • Influenza
  • Malaria
  • Measles and Rubella
  • Mononucleosis
  • Tuberculosis

List and Infectious Disease Fact Sheets by the World Health Organization


In The Library

Top 5 Deadliest Diseases

*Contains crude language*

How Pandemics Spread

What You Need To Know About Infectious Disease