disease-germs
51vec|tor — «VEHK tuhr», noun, verb. –n. 1. Mathematics. a) a quantity involving direction as well as magnitude. b) a line, such as an arrow, representing both the direction and magnitude of some force. The length of the line indicates the magnitude of the… …
52Hand washing — is the act of cleansing the hands with water or another liquid, with or without the use of soap or other detergents, for the sanitary purpose of removing soil and/or microorganisms.The main purpose of washing hands is to cleanse the hands of… …
53Oral ecology — Adult mouths may contain 500 to 1,000 different types of bacteria as part of the human flora and oral microbiology, but about 100 to 200 species may live in them at any given time.[1] Those who care for their teeth and have a relatively clean… …
54Nosocomial infection — Classification and external resources Contaminated surfaces increase cross transmission ICD 10 Y …
55Neolithic Revolution — The Neolithic This box: view · talk · edit ↑ Mesolithic …
56Population history of American indigenous peoples — It is thought that up to 100 million indigenous people may have lived in the Americas when the 1492 voyage of Christopher Columbus began a historical period of large scale European interaction with the Americas. European contact with what they… …
57Louis Pasteur — Louis Pasteur † Catholic Encyclopedia ► Louis Pasteur Chemist, founder of physio chemistry, father of bacteriology, inventor of bio therapeutics; born at Dole, Jura, France, 27 December, 1822; died near Sevres, 28 September, 1895. His …
58Population history of indigenous peoples of the Americas — Natives of North America. Natives of South America. The po …
59David S. Barnes — is an Associate Professor of History and Sociology of Science and Director of the Health and Societies Program at the University of Pennsylvania. He is a historian specializing in public health issues of Third Republic France. He argues that the… …
601984 Rajneeshee bioterror attack — Infobox civilian attack title = 1984 Rajneeshee bioterror attack caption = Four of the restaurants in The Dalles affected by the attack location = The Dalles, Oregon, United States coordinates = coor dms|45|36|4|N|121|10|58|W|city (45.601218, 121 …
