L. F. Yeung

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OBJECTIVES We investigated a measles outbreak that began in March 2003 in a Pennsylvania boarding school with >600 students to identify all cases, including the source; implement outbreak control measures; and evaluate vaccine effectiveness. METHODS Measles was suspected in any person at the school with a generalized rash and fever during March 21 to May(More)
The Food and Drug Administration mandated that by 1998, all enriched cereal grain products (ECGP) be fortified with folic acid in order to prevent the occurrence of neural tube defects. The Institute of Medicine established the tolerable upper intake level (UL) for folic acid (1000 µg/day for adults) in 1998. We characterized U.S. adults with usual daily(More)
INTRODUCTION Oral diseases can be prevented or improved with regular dental visits. Our objective was to assess and compare national estimates on self-reported oral health conditions and dental visits among pregnant women and nonpregnant women of childbearing age by using data from the National Health and Nutrition Examination Survey (NHANES). METHODS We(More)
The NCRA CTR Exam Prep Workshop is a proven way to successfully prepare for the Certifi ed Tumor Registrars (CTR) exam. NCRA guarantees* it! The workshop is a day-and-a-half program that will give you a comprehensive and thorough understanding of all exam topics. Participants will review the defi nitions of key terms and vocabulary, identify the critical(More)