Biosurveillance

This scanning electron micrograph shows Ebola virus budding from the surface of a Vero cell from an African green monkey kidney epithelial cell line. According to the World Health Organization, as of April 13, 2016, the West Africa Ebola pandemic resulted in 28,652 total suspected, probable and confirmed cases and 11,325 confirmed deaths. Photo by National Institutes of Health’s National Institute of Allergy and Infectious Diseases

President Barack Obama convenes a meeting on the Zika virus in the Situation Room of the White House, Jan. 26, 2016. According to the World Health Organization, as of June 15, 2016, 60 countries and territories reported continuing mosquito-borne transmission. Of those, 46 countries were experiencing their first outbreak of Zika virus since 2015, with no previous evidence of circulation and with ongoing transmission by mosquitos; and 14 countries reported evidence of Zika virus transmission between 2007 and 2014, with ongoing transmission. White House photo by Pete Souza

This colorized transmission electron micrograph created in 2009 shows the H1N1 pandemic flu virus that caused a worldwide pandemic in 2009-2010 and since then has become one of the seasonal flu viruses. A 2012 study published in The Lancet Infectious Diseases, Online First estimated that between 151,700 and 575,400 people around the world died from the H1N1 infection during the first year the virus circulated. Centers for Disease Control and Prevention photo by C.S. Goldsmith and A. Balish

Members of the British armed forces, assigned to different NATO units, walk and adjust their general service respirators inside the U.S. Army Training Support Center Benelux chemical, biological, radiological and nuclear chamber at Chievres Air Base, Belgium, Jan. 19, 2016. British forces assigned to NATO trained under supervision of the British Joint European Training Team. U.S. Army photo by Pierre-Etienne Courtejoie

A transmission electron microscope image shows a negative-stained, Fortaleza-strain Zika virus (red) isolated from a microcephaly case in Brazil. The Walter Reed Army Institute of Research is developing a vaccine against the Zika virus in coordination with federal partners, including the Biomedical Advanced Research and Development Authority of the Department of Health and Human Services and the National Institutes of Health's National Institute of Allergy and Infectious Diseases. National Institutes of Health photo

Army Staff Sgt. Henry Cancinos conducts chemical, biological, radiological and nuclear defense training at Joint Base Elmendorf-Richardson, Alaska, April 13, 2016. The training culminated with masked soldiers entering a sealed chamber filled with tear gas and then removing their protective gear to promote confidence in their equipment. Cancinos is assigned to the 25th Infantry Division’s Bravo Troop, 1st Squadron (Airborne), 40th Cavalry Regiment. Air Force photo by Justin Connaher