What are the 4 types of infectious diseases?
This article will focus on the most common and deadly types of infection: bacterial, viral, fungal, and prion.
What are some examples of infectious diseases?
Infectious diseases are diseases caused by living organisms like viruses and bacteria. 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.
How do infectious diseases affect the body?
Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply. In response to infection, your immune system springs into action. White blood cells, antibodies, and other mechanisms go to work to rid your body of the foreign invader.
Can an infectious disease be cured?
Many human illnesses are caused by infection with either bacteria or viruses. Most bacterial diseases can be treated with antibiotics, although antibiotic-resistant strains are starting to emerge. Viruses pose a challenge to the body’s immune system because they hide inside cells.