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poliomyelitis

poliovirus is the causitive agent. Transmitted more often by drinking contaminated water(vehical). Signs and symptoms from the destruction of neurons.
-asymptomatic infections
-minor polio has nonspecific symptoms
-nonparalytic polic, muscle spasms and back pain
-paralytic polio

postpolio syndrome

recurrence later in life of some polio symptoms in individuals who have had poliomyelitis and have recovered from it

asymptomatic polio

most common polio (90%)

transmissible spongiforme encephalopathies

prion diseases convert normal proteins to more infectious prions. Damage brain tissue imparting a spongy appearance. sometimes symptoms may take years to develop and there is no treatment. INCLUDES creutzfield-jakob disease, mad cow, kuru, and scrapie

prion, spongy, treatment

transmissible spongiforme encephalopathies:: ____ diseases convert normal proteins to more infectious prions. Damage brain tissue imparting a ___ appearance. sometimes symptoms may take years to develop and there is no____. INCLUDES creutzfield-jakob disease, mad cow, kuru, and scrapie

creutzfield-jakob disease

most common transmissibe spongiforme encephalopathies disease. Mostly ages 50-75. may have a genetic predispositon

mad cow disease

transmissibe spongiforme encephalopathies disease: also called bovine spongiform encephalopathy. Infected cattly. outbreak in Europe and Canada in early 2000s

bovine spongiform encephalopathy

mad cow disease=

kuru

transmissibe spongiforme encephalopathies disease:: New guinean women following the preparation of bodies for ritualistis cannibalism

scrapie

transmissibe spongiforme encephalopathies disease:: genetically suscepitible sheep grazing in contaminated fields. no evidence of transmission to humans

protozoan diseases of the nervous system

include african sleeping sickness and primary amebic meningoencephalitis

african sleeping sickness, endemic

____=caused by the protozoan Trypanosoma. transmitted via tsetse fly and is an _____ to equatorial Africa. Enter the blood and lymph nodes with a high rate of surface proteins changes. Can later invade the central nervous system and cause continuous sleeping, the patient enters a coma before dying. Diagnosis by microscopy of tissue biopsy

protozoan trypanosoma, tsetse fly, CNS, sleeping, tissue biopsy

AFRICAN SLEEPING SICKNESS caused by the ________ transmitted via ____ and is an endemic to equatorial Africa. Enter the blood and lymph nodes with a high rate of surface proteins changes. Can later invade the ______ and cause continuous _____, the patient enters a coma before dying. Diagnosis by microscopy of ____

primary amebic meningoencephalitis (PAM)

flaggellated protozoan called Naegleria fowleri that has sucker-like structures that literally eats the BRAIN TISSUE. Warm fresh water and soils; in colder temperatures they are Cysts. Low incidence but about 3 people per year are infected in the US after swimming in natural waters. Early symptoms are similar to bacterial meningitis but later symptoms include confusion and seizures

flaggellated, naegleria fowleri, sucker, brain tissue, meningitis

PRIMARY AMEBIC MENINGOENCEPHALITIS(PAM):: ____ protozoan called ____ that has ____r-like structures that literally eats the _____. Warm fresh water and soils; in colder temperatures they are Cysts. Low incidence but about 3 people per year are infected in the US after swimming in natural waters. Early symptoms are similar to bacterial ____ but later symptoms include confusion and seizures

PAM

entry into the brain through nasal cavity can cause disease. usually fatal, amphotericin B is not very effective. No vaccine. Prevention by not allowing these waters to enter the nasal cavity

brain, nasal cavity, vaccine

Primary amebic meningoencephalitis:: entry into the ____ through_____ can cause disease. usually fatal, amphotericin B is not very effective. No ____. Prevention by not allowing these waters to enter the nasal cavity

listeria monocytogenes

a foodborne pathogen that can cause meningitis =

mycobacterium leprae

____= the only bacterial species known to destory peripheral nerve cells

west nile virus

__= an emerging viral encephalitis that had recentally spread across the US

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