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An infectious disease, also known as a transmissible disease or communicable disease, is an illness resulting from an infection. Infections can be caused by a wide range of pathogens , most prominently bacteria and viruses . [ 2 ]
Infectious diseases (ID), also known as infectiology, is a medical specialty dealing with the diagnosis and treatment of infections. An infectious diseases specialist's practice consists of managing nosocomial (healthcare-acquired) infections or community-acquired infections. [1] An ID specialist investigates and determines the cause of a ...
Infectious disease doctors are trained in clinical and laboratory skills to make the right diagnoses and organize the best treatment plans. They continue to train in the field, which helps them to ...
This means they aren’t always spread from person to person. But many of them are. Common examples of contagious viral diseases include the flu, the common cold, HIV, and herpes. Other types of ...
Influenza A and B. Sudden fever and chills, muscle aches, headache, tiredness, sore throat, congestion. If you have these, you likely have the flu. Between 3% and 11% of people in the U.S. get it ...
Infectious diseases are commonly transmitted through direct person-to-person contact. Transmission occurs when a person with an infectious disease touches or exchanges body fluids with someone else.
An infectious disease agent can be transmitted in two ways: as horizontal disease agent transmission from one individual to another in the same generation (peers in the same age group) [3] by either direct contact (licking, touching, biting), or indirect contact through air – cough or sneeze (vectors or fomites that allow the transmission of the agent causing the disease without physical ...
Phase 1: A virus in animals has caused no known infections in humans. Phase 2: An animal virus has caused infection in humans. Phase 3: There are scattered cases or small clusters of disease in ...
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