The Natural History of Cowpox
نویسنده
چکیده
an animal disease which he called 'cowpox'. This paper discusses recent evidence concerning the natural history of cowpox which suggests that earlier views on it may have been incorrect. In the 19th century valuable information was obtained about cowpox. However these studies in part pre-dated acceptance of the germ theory of disease, and all pre-dated the development of laboratory techniques. Consequently the evidence was based on natural and artificial infection of
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