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Human infectious diseases may be characterized by their case fatality rate (CFR), the proportion of people diagnosed with a disease who die from it (cf. mortality rate).It should not be confused with the infection fatality rate (IFR), the estimated proportion of people infected by a disease-causing agent, including asymptomatic and undiagnosed infections, who die from the disease.
Certain infections of the brain, such as rabies, meningococcal meningitis, or primary amebic meningoencephalitis can kill within hours to days after symptoms appear. Some toxins, such as cyanide, may also provoke fulminant death. Abrupt hyperkalemia provoked by intravenous injection of potassium chloride leads to fulminant death by cardiac arrest.
Several medical conditions increase a person's susceptibility to infection and developing sepsis. Common sepsis risk factors include age (especially the very young and old); conditions that weaken the immune system such as cancer , diabetes , or the absence of a spleen ; and major trauma and burns .
A common stomach bug is surging, according to new data from the US Centers for Disease Control and Prevention. In the week of December 5, there were 91 outbreaks of norovirus reported, up from 69 ...
Other symptoms of tetanus may include fever, sweating, headache, trouble swallowing, high blood pressure, and a fast heart rate. The onset of symptoms is typically 3 to 21 days following infection. Recovery may take months; about 10% of cases prove to be fatal. [1] C. tetani is commonly found in soil, saliva, dust, and manure. The bacteria ...
Septicemic plague; Other names: Septicaemic plague: Septicemic plague resulting in necrosis: Specialty: Infectious diseases : Symptoms: DIC (disseminated intravascular coagulation) which causes : tissue death due to lack of circulation/perfusion to that tissue, bleeding into the skin and other organs, which can cause red and/or black patchy rash and hemoptysis/hermatemesis
Infection with most pathogens does not result in death of the host and the offending organism is ultimately cleared after the symptoms of the disease have waned. [59] This process requires immune mechanisms to kill or inactivate the inoculum of the pathogen.
At least 592 cases were reported after the alert was first raised by Congo's health ministry on Oct. 29. The ministry said the disease had a fatality rate of 6.25%.