Bird flu, with a full name of avian influenza, is an acute infectious disease caused by a sub-type of influenza virus A (also known as avian influenza virus). Human beings may be infected with it. Now, bird flu has been identified as category A infectious disease by Office International des Epizooties. Moreover, it is also referred to as truly fowl plague or European fowl plague.
Newcastle disease is an acute, feverish, septic and highly infectious disease caused by Newcastle disease virus among birds and beasts. Featured with high incidence and death rates, it shows symptoms of hyperpyrexia, dyspnea, diarrhea, nervous disorder and mucosal and serous hemorrhage. Newcastle disease is a major infectious disease that endangers poultry farming. In addition, it has been listed as category A disease by OIE.
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