the source of infection
71Medicine in the American Civil War — An assortment of American Civil War era medicines In the war, both armies researched advancement in the development of battlefield recovery techniques. In the Union, a new medicinal wing was created under the jurisdiction of a “Medical Direct …
72Jack the Ripper conspiracy theories — seek to explain a series of murders in the East End of London in 1888 that were blamed on an unidentified assailant known as Jack the Ripper . Since then, the identity of the killer has been hotly debated. Over a hundred suspects have been… …
73List of Ordinances and Acts of the Parliament of England, 1642 to 1660 — This is a list of Ordinances and Acts of the Parliament of England from 1642 to 1660, during the English Civil War and the Interregnum.As King Charles I of England would not assent to Bills from a Parliament at war with him, decrees of Parliament …
74List of The X-Files characters — For Monster of the Week characters, see List of Monster of the Week characters in The X Files. The following is a list of all main and recurring characters (who have appeared three times or more, with a few exceptions) in the American science… …
75Education in the United States — of America U.S. Department of Education Secretary Deputy Secretary Arne Duncan Anthony Miller …
76Night of the Living Dead — For other uses, see Night of the Living Dead (disambiguation). Night of the Living Dead …
77Public health in the People's Republic of China — This article is about public health in the People s Republic of China, excluding Hong Kong, Taiwan and Macau. Since the founding of the People s Republic of China, the goal of healthcare programs has been to provide care to every member of the… …
78Midnight on the Firing Line — Babylon 5 episode Garibaldi and Ivanova, with Londo in the background Episode no. Season 1 Episode 1 Directed by …
79Doctor Who and the Silurians — 052 – Doctor Who and the Silurians Doctor Who serial A Silurian Cast …
80Arabic influence on the Spanish language — has been significant, due to the Islamic presence in the Iberian peninsula between 711 and 1492 A.D. (see Al Andalus). Modern day Spanish language (also called castellano in Spanish) first appeared in the small Christian Kingdom of Castile in… …
