The Selkirk Range, North-West America
نویسندگان
چکیده
منابع مشابه
The West Nile virus: its recent emergence in North America.
West Nile fever emerged in New York in the summer of 1999 when seven people, several horses and thousands of wild birds died. It was soon established that the human disease and the mortality of birds were related. Continued surveillance detected West Nile virus in mosquitoes, birds, horses, small mammals, bats and humans, and has shown its spread to several northeastern states. These events con...
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ژورنال
عنوان ژورنال: Proceedings of the Royal Geographical Society and Monthly Record of Geography
سال: 1891
ISSN: 0266-626X
DOI: 10.2307/1801148