United States. The experience with WNV demonstrates that the epidemiological pattern in areas of importation of an exotic arbovirus may bear little resemblance to that which occurred in its previously endemic area.
WNV has had considerable regional and local variation in incidence and persistence in the United States. Incidence appears to be highest in the midwest-
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2 Vector-Borne Disease Detection and Control ."
Vector-Borne Diseases: Understanding the Environmental, Human Health, and Ecological Connections, Workshop Summary (Forum on Microbial Threats) . Washington, DC: The National Academies Press,
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As of 2013, the National Science Education Standards have been replaced by the Next Generation Science Standards (NGSS), available as a print book, free PDF download, and online with our OpenBook platform.
The NGSS offer a detailed description of the key scientific ideas and practices that all students should learn by the time they graduate from high school. The standards are based largely on the 2011 National Research Council report A Framework for K-12 Science Education: Practices, Crosscutting Concepts, and Core Ideas.