A VIRUS CAUSING PNEUMONIA IN CATS AND PRODUCING ELEMENTARY BODIES
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چکیده
منابع مشابه
A Virus Causing Pneumonia in Cats and Producing Elementary Bodies
From a contagious respiratory disease of cats an agent has been transmitted to mice, rabbits, guinea pigs, hamsters, and embryonated eggs. When inoculated intranasally into cats, it produces a disease like that seen in the naturally infected animals. Parenteral injection causes only a mild fever. From cats killed during acute illness, the agent was demonstrated regularly in the discharges from ...
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A respiratory tract infection in cats--variously called nasal catarrh, influenza, or distemper--has been observed frequently within the past several years in the northeastern United States. The main characteristics of the disease are its highly infectious nature, debilitating effects, and long course, about a month. I ts respiratory nature is manifested by sneezing and coughing, accompanied by ...
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An infectious disease of calves has been described which is characterized by fever, diarrhea, and pneumonia, followed soon by recovery. On autopsy of animals killed at the height of the disease, there is found a catarrhal enteritis and a bronchopneumonia that is usually confined to the anterior lobes of the lungs. From this disease an agent has been secured by the serial inoculation of lung ext...
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Ultracentrifugation Studies on the Elementary Bodies of Vaccine Virus
ULTRACENTRIFUGAL STUDIES OF THE CL DERMAL STRAIN OF VACCINE VIRUS WARRANT THE FOLLOWING CONCLUSIONS: 1. When suspended in increasing concentrations of sucrose, glycerol, or urea solutions, elementary bodies of vaccinia show variations in sedimentation rate which indicate changes in the density or size of the particles. For a given change in the density of the medium these changes are smallest w...
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ژورنال
عنوان ژورنال: Journal of Experimental Medicine
سال: 1944
ISSN: 1540-9538,0022-1007
DOI: 10.1084/jem.79.2.159