Global Health Concern Stirred by Emerging Viral Infections.

Emerging viral infections continue to pose a major threat to global public health. In 1997, a highly pathogenic avian influenza A (H5N1) virus was found to directly spread from poultry to humans unlike previously reported transmission routs of human-to-human and livestock-to-human, stirring a grave concern for a possible influenza pandemic. This article is protected by copyright. All rights reserved.