http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Scientists have identified which strains of the Toxoplasma gondii parasite, the cause of toxoplasmosis, are most strongly associated with premature births and severe birth defects in the United States. The researchers used a new blood test developed by scientists at the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health, to pinpoint T. gondii strains that children acquire from their acutely infected mothers while in the womb. http://medicalxpress.com/news/2012-04-links-strains-common-parasite-severe.html Diseases, Conditions, Syndromes Thu, 12 Apr 2012 16:17:36 EST news253466031