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A blood-borne disease is a disease that can be spread through contamination by blood and other body fluids. Blood can contain pathogens of various types, chief among which are microorganisms , like bacteria and parasites , and non-living infectious agents such as viruses .
Bloodstream infections (BSIs) are infections of blood caused by blood-borne pathogens. [1] The detection of microbes in the blood (most commonly accomplished by blood cultures [2]) is always abnormal. A bloodstream infection is different from sepsis, which is characterized by severe inflammatory or immune responses of the host organism to ...
Widespread non-communicable diseases such as cardiovascular disease and cancer are not included. An epidemic is the rapid spread of disease to a large number of people in a given population within a short period of time; in meningococcal infections , an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered ...
The virus that causes Covid-19, SARS-CoV-2, can be spread by asymptomatic individuals who are infected but don’t exhibit any of the common symptoms such as cough, fever, runny nose and sore throat.
The following outline is provided as an overview of and topical guide to concepts related to infectious diseases in humans.. Infection – transmission, entry/invasion after evading/overcoming defense, establishment, and replication of disease-causing microscopic organisms (pathogens) inside a host organism, and the reaction of host tissues to them and to the toxins they produce.
The viruses that cause all three illnesses are transmitted to humans via mosquito bite. ... relieve symptoms. Patients with severe illness often need to be hospitalized and receive additional ...
• West Nile virus is the most common mosquito-borne illness in the U.S. It can cause fever, headaches, body aches, vomiting, diarrhea and a rash, according to the Centers for Disease Control and ...
Viral hemorrhagic fevers (VHFs) are a diverse group of animal and human illnesses.VHFs may be caused by five distinct families of RNA viruses: the families Filoviridae, Flaviviridae, Rhabdoviridae, and several member families of the Bunyavirales order such as Arenaviridae, and Hantaviridae.