Since the 1970s, Vietnam-era veterans have attributed certain medical illnesses, disabilities, and birth defects to exposure to Agent Orange and other herbicides sprayed by the U.S. Air Force to destroy enemy crops and remove forest cover. During the last 30 years, Agent Orange legislation has established and updated the health and disability benefits of Vietnam veterans exposed to herbicides. Several laws were enacted by Congress to provide health care services to Vietnam veterans. The Veterans' Health Care, Training and Small Business Loan Act (P.L.

In April 2009, a novel influenza virus began to spread around the world. The World Health Organization (WHO) refers to the virus as Influenza A(H1N1). The U.S. Centers for Disease Control and Prevention (CDC) and other Administration officials refer to it as 2009 H1N1 flu. Throughout this report, the virus is referred to as H1N1. Although H1N1 does not appear to be as lethal as H5N1 avian influenza, which reemerged in 2005, the virus is slightly more lethal than seasonal flu and it continues to spread.