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Ashka Shah

on 7 May 2010

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Transcript of Parasites

Toxoplasmosis Symptoms o Most ofthe primary infection show no symptoms. The symptons usually develop between the 1st and 2nd book. Elarged lymph nodes in the head and neck Hadache
Retinal inflammation that causes blurred vision Mld illness with fever
Seizures Epidemiology History of disease o Toxoplasmosis is found in humans worldwide, and in many species of animals and birds. Cats are the definitive host of the parasite. It is the third leading cause of death in the United States that can be attributed to foodborne illnesses. A recent study showed that more than 60 million men, women, and children in the United States carry the Toxoplasma parasite It is caused by parasite Toxoplasma gondii. o Although T. gondii was first observed in rodents by Nicolle and Manceaux in 1908, it was not identified as an agent of infectious disease until 1932. It was recognized as a severe and potentially fatal disease of adults in 1968 It then became more widely recorded as a cause of morbidity in immunodeficient patients, including AIDS patients beginning in 1983. Treatments o Toxomosis is treated only if signs and symptoms are sevee. o Adults include pyrimethamine plus, trisulfapyrimidines or sulfadiazine. In pregnancy, spiramycin is usually given. Long Term Prognosis Around 80%-90% of people who receive toxoplasmosis will not have any longterm problems. although, if an infant or fetus is infected the prognosis may range from good to poor depending on when in development they get infected. if a fetus is infected during the first trimester the prognosis is poor that may lead to death of the fetus or development of severe physial and mental problems present at birth. Ashka Shah
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