Severe. Mad cow's disease (bovine spongioform encephalopathy =bse) is a very serious incurable disease often with progressive psychological and mental problems associated with rigidity and movement disorders of the extremities fortunately now that we know the etiology very rare the equivalent creutzfeld jacob disease = cjd occurs in one out of a million of the population.
CJD. Mad cow disease or creutzfeldt-jakob disease can cause: dementia and myoclonus (muscle twitching). These are the most common symptoms. It can also cause behavioral changes, unsteadiness, sleep problems and mood changes.
The symptoms of Mad cow disease include: Confusion, Dementia, Loss of coordination, Myoclonic jerks, Personality change, Sleepiness, Abnormal gait.
See below. Similar to other prion diseases. A classical triad of dementia, myoclonus, and ataxia. Some patients do exhibit parkinsonian-like features, and have difficulty with visuospatial perception. Most of the pts were younger in their 20's, as young as 12. The symptoms seemed insidious and persistent and behavior and confusion was quite marked.
Subtle. The behavioral, personality, and mood changes are the first warning but are nonspecific. The tremor and myoclonic jerking will alert a physician to the possibility. The incubation period is many years, and people exposed during the epidemic may still become ill. The disease is not treatable, and there is no benefit to early diagnosis.
Read on. Mad cow disease (bovine spongioform encephalopathy/ creutzfeld j acob disease) is a prion disease now very rare the symptoms include cognitive problems as well as motor signs affecting the extremities rigidity, sometimes seizure etc usually fatal in under 2 years although long incubation periods are re[orted.
Decades. Prion diseases such as cjd or mad-cow disease can fester for decades before full clinical manifestation.
US: ~300 per year. Creutzfeldt-jakob disease occurs at a rate of approximately 1 case per million people per year. According to the cdc, the us has reported between 279 and 352 cases a year over the past five years. The public health agency of canada reports between 30 and 53 cases per year in the same period, which is approximately the save overall rate per population.
Mad cow disease. On april 24, the U.S. Department of agriculture reported the fourth confirmed case of mad cow disease in the U.S., the first since 2006. No humans affected. See: http://blogs. Scientificamerican. Com/observations/2012/04/25/the-fourth-u-s-case-of-mad-cow-disease-should-you-be-concerned/.
Rare. From my reading, there has been a single human case in the usa, one in ireland, a few hundred in the united kingdom because of the unsafe cattle farming practices in the past, and very few elsewhere. By contrast, maybe one person in a million each year gets a classic prion disease such as cjd.
MAD COW DISEASE. Although cjd (creutzfeld jacob disease = mad cow)is the most common human prion disease, it is still rare, occurring in about one out of every one million people every year. It usually affects people aged 45–75, most commonly appearing in people between the ages of 60–65.
Rare except for. The huge outbreak of the disease about 2 decades ago in the uk that spilled over into europe. Very few cases in the usa. In the wake of this, a human disease, called varient creutzfeldt-jakob disease, was linked to eating contaminated beef. Several hundred cases have occurred in europe but none have been acquired in the usa.
The epizooic of. Bovine spongiform encephalopathy in the uk primarily is essentially over and there have been no human equivalents (so called variant creutzfeldt-jacob syndrome).
In cows? Http://www. Medicinenet. Com/mad_cow_disease/page5.htm.
Not very common. Very rare disease. There have been a few sporadic outbreaks.