A review of virulent Newcastle disease viruses in the United States and the role of wild birds in viral persistence and spread

Table 3 Continent of origin for psittacines imported into the U.S. through the three animal import centers—Los Angeles, CA (between August 2013 and August 2016), Miami, FL (during the 2015 federal fiscal year), and New York, NY (during the 2015 calendar year) (n = 29 266)

ISSN: 1297-9716