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  2. List of human disease case fatality rates - Wikipedia

    en.wikipedia.org/wiki/List_of_human_disease_case...

    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.

  3. List of deadliest animals to humans - Wikipedia

    en.wikipedia.org/wiki/List_of_deadliest_animals...

    Animal Humans killed per year Animal Humans killed per year Animal Humans killed per year 1 Mosquitoes: 1,000,000 [a] Mosquitoes 750,000 Mosquitoes 725,000 2 Humans 475,000 Humans (homicide) 437,000 Snakes 50,000 3 Snakes: 50,000 Snakes 100,000 Dogs 25,000 4 Dogs: 25,000 [b] Dogs 35,000 Tsetse flies 10,000 5 Tsetse flies: 10,000 [c] Freshwater ...

  4. Ecological study - Wikipedia

    en.wikipedia.org/wiki/Ecological_study

    Multi-country ecological studies of cancer incidence and mortality rates with respect to national diets have shown that some dietary factors such as animal products (meat, milk, fish and eggs), added sweeteners/sugar, and some fats appear to be risk factors for many types of cancer, while cereals/grains and vegetable products as a whole appear ...

  5. Acute esophageal necrosis - Wikipedia

    en.wikipedia.org/wiki/Acute_esophageal_necrosis

    The symptoms vary from the severity of the disorder. The most classic sign of AEN is the dark pigmentation of esophageal mucosa in an upper endoscopy, usually viewed as an ulcer or as an infectious disease. [6] Necrosis can be found mostly between the three distals of the esophagus, but stops abruptly at the gastroesophageal junction. [2]

  6. Cattle mutilation - Wikipedia

    en.wikipedia.org/wiki/Cattle_mutilation

    The victim's identity was kept private. Theories ranged from a mundane criminal act of homicide, to more fantastical speculation alleging alien abduction due to perceived similarities with UFO-related animal mutilations. An autopsy report concluded the wounds occurred while the victim was still alive, and the associated pain resulted in cardiac ...

  7. Mad cow crisis - Wikipedia

    en.wikipedia.org/wiki/Mad_cow_crisis

    BSE is a degenerative infection of the central nervous system in cattle. It is a fatal disease, similar to scrapie in sheep and goats, caused by a prion.A major epizootic affected the UK, and to a lesser extent a number of other countries, between 1986 and the 2000s, infecting more than 190,000 animals, not counting those that remained undiagnosed.

  8. Avian influenza - Wikipedia

    en.wikipedia.org/wiki/Avian_influenza

    Avian influenza, also known as avian flu or bird flu, is a disease caused by the influenza A virus, which primarily affects birds but can sometimes affect mammals including humans. [1] Wild aquatic birds are the primary host of the influenza A virus, which is enzootic (continually present) in many bird populations.

  9. Bovine spongiform encephalopathy - Wikipedia

    en.wikipedia.org/wiki/Bovine_spongiform...

    Later in the course of the disease, the cow becomes unable to function normally. [1] There is conflicting information about the time between infection and onset of symptoms. In 2002, the World Health Organization suggested it to be approximately four to five years. [2] Time from onset of symptoms to death is generally weeks to months. [2]