The McConnon family, at home in Bangkok in 1980. From left to right: Jessica, Patrick, Kenevan, and Kate.

Life cycle of malaria parasites. Malaria is caused by a single-celled organism with a complex life cycle that includes an infectious-stage parasite (the sporozoite; introduced into the bloodstream by mosquito bite); a liver-stage parasite; and a blood-stage parasite, which causes the classic malaria symptoms of fever and chills. Diagram courtesy of CDC-DPDx.

Medical detective Craig W. Hedberg with his newborn child.

Medical detective Thomas Hennessy carrying the floor plans of the Schwan ice cream factory.

A tanker truck that hauled pre-mix to the Schwan ice cream factory.

Minnesota medical detectives investigating the outbreak at the pork processing plant. From left to right: Stacy Holzbauer, Ruth Lynfield, Richard N. Danila, and Aaron DeVries.

Demonstration of how a swine brain can be removed from its skull using a pressurized air device.

Rodent Processing Before and After the Discovery of Sin Nombre Virus

Before

After

Jamie Childs processing rodents during the field investigation in Four Corners.

A deer mouse captured in Four Corners.

Immunofluorescent staining of human primary lung microvascular endothelial cells infected with Sin Nombre virus (SNV). The cells were stained using anti-SNV rabbit polyclonal antibody (green), anti-actin mouse monoclonal antibody to detect the cell’s cytoskeleton (red) and DAPI stain (blue) to detect the nucleus.