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Symptoms can start within an hour of exposure, and can last for several months. [1] [3] [5] Early symptoms are usually nausea, vomiting and loss of appetite. [1] In the following hours or weeks, initial symptoms may appear to improve, before the development of additional symptoms, after which either recovery or death follow. [1]
After disasters with extensive loss of life due to trauma rather than disease—earthquakes, storms, human conflict, etc.—many resources are often expended on burying the dead quickly, and applying disinfectant to bodies for the specific purpose of preventing disease. Specialists say that spraying is a waste of disinfectant and manpower, that ...
Multiple organ dysfunction syndrome can trigger a variety of symptoms throughout the body. Because MODS can impact any organ system, the specific symptoms experienced will depend on which organs are affected. Initially, these signs may be mild as the underlying illness progresses towards MODS.
In COVID-19, the arterial and general tissue oxygen levels can drop without any initial warning.The chest x-ray may show diffuse pneumonia.Cases of silent hypoxia with COVID-19 have been reported for patients who did not experience shortness of breath or coughing until their oxygen levels had depressed to such a degree that they were at risk of acute respiratory distress (ARDS) and organ failure.
Infectious disease: Symptoms: Fever, vomiting, headache, yellow skin [1] Complications: seizures, coma, [1] organ failure, anemia, cerebral malaria [2] Usual onset: 10–15 days post exposure [3] Causes: Plasmodium transmitted to humans by Anopheles mosquitoes [1] [4] Diagnostic method: Examination of the blood, antigen detection tests [1 ...
The lethality of the anthrax disease is due to the bacterium's two principal virulence factors: the poly-D-glutamic acid capsule, which protects the bacterium from phagocytosis by host neutrophils; and the tripartite protein toxin, called anthrax toxin, consisting of protective antigen (PA), edema factor (EF), and lethal factor (LF). [44]
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 ]
The spores can survive in their inert form for many years. [42] Toxin is produced by the bacteria when environmental conditions are favourable for the spores to replicate and grow, but the gene that encodes for the toxin protein is actually carried by a virus or phage that infects the bacteria. Little is known about the natural factors that ...