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

AbstractAfter publication of the article [1], it has been brought to our attention that Newcastle disease virus was incorrectly labeled as a Tier 1 USDA Select Agent. Newcastle disease virus is a USDA Select Agent but it is not a Tier 1 agent.
Source: Veterinary Research - Category: Veterinary Research Source Type: research