Understanding Infectious Diseases: Transmission, Symptoms, and Prevention

Infectious diseases are caused by pathogenic microorganisms such as bacteria, viruses, fungi, or parasites. These diseases can spread from person to person and may lead to various health complications.
Application
Public Health | Infection Control | Epidemiology | Communicable Diseases | Infectious Agents | Contagious Illnesses | Infection Prevention
Prepared by Shruti Sahoo, reviewed by Dr. Eugene Smith

Infectious Diseases FAQ

What is an infectious disease?

Infectious disease, process caused by an agent, often a microorganism, that impairs a person’s health. Infectious diseases typically are caused by bacteria, viruses, fungi, or parasites. The immune system generally reacts quickly against these agents, though drugs may be used to help fight off infection.

Are infectious disease problems related to other medical conditions?

Many infectious disease problems are often related to other medical conditions. Our infectious disease specialists work closely with doctors in many specialty areas to make sure you get exactly the care you need.

What causes infectious diseases?

Infectious diseases are illnesses caused by harmful organisms (pathogens) that get into your body from the outside. Pathogens that cause infectious diseases are viruses, bacteria, fungi, parasites and, rarely, prions. You can get infectious diseases from other people, bug bites and contaminated food, water or soil.

What are infectious diseases?

Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful. But under certain conditions, some organisms may cause disease. Some infectious diseases can be passed from person to person.

What does the infectious disease department do?

The department provides guidelines and advice to health professionals about infectious diseases, including: Guidelines for management and control of infectious diseases. Requirements and procedures for notifying infectious diseases and other conditions. Surveillance reports and data for Victoria and various local areas (updated daily).

Infectious Diseases References

If you want to know more about Infectious Diseases, consider exploring links below:

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