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What makes a disease an infectious disease?
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.
Which one of the following is an infectious disease?
Infectious diseases are diseases caused by living organisms like viruses and bacteria. Described as contagious, they can be passed from person to person through body secretions, insects or other means. Examples are SARS, influenza, the common cold, tuberculosis (TB), Hepatitis A and B.
What is an infectious disease According to who?
Photo credit: WHOInfectious diseases are caused by pathogenic microorganisms, such as bacteria, viruses, parasites or fungi; the diseases can be spread, directly or indirectly, from one person to another.
Who most common infectious diseases?
The 5 Most Common Infectious Diseases
- Hepatitis B. According to current statistics, hepatitis B is the most common infectious disease in the world, affecting some 2 billion people — that’s more than one-quarter of the world’s population.
- Malaria.
- Hepatitis C.
- Dengue.
- Tuberculosis.
What is the medical term meaning infectious disease?
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 are bacterial diseases?
Bacterial diseases are infectious diseases affecting people, which are caused by human pathogenic bacteria. Most bacteria are harmless to people, and some are actually quite beneficial.
What does an infectious disease specialist do?
Infectious disease specialists are physicians who are trained in internal medicine and specialize in diagnosing, treating, and managing infectious diseases.
What is an infection doctor called?
An infectious disease doctor is a physician who specialises in the various infections that can affect the human body. An infectious disease doctor may also be known as an ID physician.