What are the causes and symptoms of infectious diseases?

What are the causes and symptoms of infectious diseases?

Infectious diseases 1 Overview. Infectious diseases are disorders caused by organisms — such as bacteria, viruses,… 2 Symptoms. Each infectious disease has its own specific signs and symptoms. 3 Causes. These one-cell organisms are responsible for illnesses such as strep throat,… 4 Risk factors. While anyone can catch infectious diseases,…

Are there any infectious diseases that are life threatening?

Most infectious diseases have only minor complications. But some infections — such as pneumonia, AIDS and meningitis — can become life-threatening. A few types of infections have been linked to a long-term increased risk of cancer: Human papillomavirus is linked to cervical cancer

How does an infectious disease affect the host?

Under normal circumstances, when the immune system of the host is fully functional, disease symptoms may not develop. If the host immune system is compromised, or the infectious agent overwhelms the immune system, an infectious disease ensues. Most infections are caused by bacteria, viruses, protozoa, helminthes, rickettsia, and fungi.

What kind of research is done on infectious diseases?

Infectious Diseases publishes international research on all aspects of human infections including pathogenesis, diagnosis, and treatment of infectious diseases. Have an account?

What are the 5 communicable diseases?

Communicable diseases include malaria, HIV/AIDS, tuberculosis, infant’s diarrhoea, measles and poliomyelitis diseases are passed on to people who are not already affected by it. To collect this data we use mortality rates, morbidity rates, disease incidence, disease prevalence and disability adjusted life…

What is the most dangerous contagious disease?

The Deadliest Infectious Diseases Ebola. Ebola is highly contagious with evidence that it can be spread via air. Bubonic Plague. If any disease can evoke pure terror then it is Bubonic Plague. Smallpox. Rabies. MRSA. Cholera. Anthrax. TB (Tuberculosis) TB is highly contagious and easily spread through airborne droplets e.g. HIV/AIDS.

What is the most communicable disease in the US?

The top five most contagious infectious diseases include respiratory tract infections such as bronchitis and pneumonia, HIV/AIDS, diarrheal diseases, tuberculosis and malaria. Respiratory tract infections, especially lower respiratory infections such as bronchitis and pneumonia are considered the most contagious and deadly.

What does an infectious disease doctor treat?

An infectious disease doctor often works closely with other members of a patient’s care team. An infectious disease doctor may treat young patients. Infectious disease doctors study diseases that spread, such as tuberculosis.