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For example, Shigella is a longstanding World Health Organization (WHO) target for vaccine development, and sharp declines in age-specific diarrhea/dysentery attack rates for this pathogen indicate that natural immunity does develop following exposure; thus, vaccination to prevent this disease should be feasible. The development of vaccines ...
Amoebiasis, or amoebic dysentery, is an infection of the intestines caused by a parasitic amoeba Entamoeba histolytica. [3] [4] Amoebiasis can be present with no, mild, or severe symptoms. [2] Symptoms may include lethargy, loss of weight, colonic ulcerations, abdominal pain, diarrhea, or bloody diarrhea.
It is sometimes listed as an explicit differential diagnosis of bacillary dysentery, as opposed to a cause. [6] Bacillary dysentery should not be confused with diarrhea caused by other bacterial infections. One characteristic of bacillary dysentery is blood in stool, [7] which is the result of invasion of the mucosa by the pathogen.
Shigellosis, known historically as dysentery, is an infection of the intestines caused by Shigella bacteria. [ 1 ] [ 3 ] Symptoms generally start one to two days after exposure and include diarrhea , fever , abdominal pain , and feeling the need to pass stools even when the bowels are empty. [ 1 ]
E. histolytica, as its name suggests (histo–lytic = tissue destroying), is pathogenic; infection can be asymptomatic, or it can lead to amoebic dysentery or amoebic liver abscess. [6] [7] Symptoms can include fulminating dysentery, bloody diarrhea, weight loss, fatigue, abdominal pain, and amoeboma.
Bird flu was detected in a commercial poultry flock in Georgia for the first time since the current outbreak started in 2022, officials announced on Friday.. The positive case of the H5N1 strain ...
Hexamita salmonis is a common flagellated fish pathogen. Infected fish are weak and emaciated, and typically swim on their sides. [7] Histomonas meleagridis is a common bird pathogen that causes histomoniasis. Signs of histomoniasis include reduced appetite, drooping wings, unkempt feathers, and yellow fecal droppings.
You may have heard that Social Security is facing financial trouble because Congress and presidents raided the trust funds and wondered how such a thing could be allowed to happen.