Emerging infectious diseases, most of which are considered zoonotic in origin, continue to
exact a significant toll on society. The origins of major human infectious diseases are …

Bacterial and viral zoonotic infections comprise a practically endless, ever-expanding list of
pathogens that have the potential to induce human disease of varying severity, with varying …

Global health security has become a major international concern. Our population faces
imminent threats to human and animal health from the emergence and reemergence of …

To respond to emerging and re-emerging infections, it is necessary to understand the
interactions between microbial pathogens and their hosts and the impact of environmental …

In£ uenza is a well-known yearly threat, so why is it considered to be an emerging disease?
It is because the virus evolves so rapidly that every year new viruses emerge, and every …

Dating back to antiquity, influenza pandemics have posed the greatest threat of a worldwide
calamity caused by infectious disease. Direct transmission from the birds to humans has not …

The origins of the 2009 influenza A (H1N1) pandemic in swine are unknown, highlighting
gaps in our understanding of influenza A virus (IAV) ecology and evolution. We review how …

Despite the fact that most emerging diseases stem from the transmission of pathogenic
agents from animals to humans, the factors that mediate this process are still ill defined …

Human influenza viruses have their ultimate origin in avian reservoirs and may adapt, either
directly or after passage through another mammalian species, to circulate independently in …

Executive summary The Food and Agriculture Organization of the United Nations (FAO), the
World Organisation for Animal Health (OIE) and the World Health Organization (WHO) held …