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Human infection due to Babesia microti has been regarded as infrequent and a condition primarily affecting the elderly or immunocompromised. To determine whether risk in endemic sites may be increasing relative to that of Borrelia burgdorferi and to define its age-related clinical spectrum, we carried out a 10-year community-based serosurvey and case(More)
The specific diagnosis of babesiosis, which is caused by the piroplasm Babesia microti, is made by microscopic identification of the organism in Giemsa-stained thin blood smears, detection of babesial antibody in acute-and convalescent-phase sera, or identification of the organism following the injection of patient blood into laboratory animals. Although(More)
In order to determine whether T4, TSH, or both affect hypothalamic TRH content, primary or secondary hypothyroidism was induced in the rat by thyroidectomy (Tx) or hypophysectomy (Hx), respectively. Two weeks later, rats were treated with T4, TSH, or both for 14--16 days. Tx or Hx significantly decreased hypothalamic TRH content, and T4 treatment restored(More)
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