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

• 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
• HIV/AIDS
• Influenza
• Malaria
• Measles and Rubella
• Mononucleosis
• Tuberculosis

List and Infectious Disease Fact Sheets by the World Health Organization

*Contains crude language*