The Norway Rat Rattus norvegicus The Norway Rat Rattus norvegicus The Norway rat is easily maintained and relatively resistant to disease. During the past century ... (1511 Words -- Approx. 6 Pages)
The Development of Microbiology This ... Gerbhard Hansen of Norway identified bacteria in leprosy patients, and bacteria were seen in the ... The bacillus is transmitted by the rat flea Xenopsylla cheopis ... (6790 Words -- Approx. 27 Pages)