Disease Transmission

Introduction:

Surveillance of infectious diseases in animals and humans 2012, is an annual update on the surveillance activities carried out in the United States during the year, for animal diseases and zoonotic agents in humans, food, feed and animals. The United States has had a low burden of serious animal diseases for several decades. The high health status of American animals has led to the official declaration of freedom from several infectious diseases, which are present elsewhere in the North American Community. In recent year, the United States regained freedom from porcine reproductive and respiratory syndrome in 2008, from bluetongue serotype and bovine tuberculosis in deer in 2010.

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