When she started working at USAMRIID, Hensley had no knowledge of space suits and no interest in working in a hot zone; she planned to do research on a mild virus that causes common colds, especially in children. This kind of cold virus infects many kinds of wild animals. Hensley thought that one of the wild cold viruses could jump out of an animal into a person somewhere on earth and start a global outbreak of a fatal, emerging cold.
