Arbovirus infections in man in British Columbia.

Abstract

During the summer of 1971, the first laboratory-proved cases of acute encephalitis in man due to any of the known arboviruses occurred in the south-central region of British Columbia. Five human cases of encephalitis with two deaths were diagnosed; three of these patients, including one of the fatalities, were proven in the laboratory to have contracted western equine encephalitis.During 1968 and 1969, a human serum survey undertaken in approximately 2000 life-long residents of the province discovered low levels of hemagglutinin-inhibiting and/or complement-fixing as well as neutralizing antibodies for western equine encephalitis, St. Louis encephalitis, Powassan encephalitis, California encephalitis and Colorado tick fever. Evidence of recent sub-clinical infection was detected in some cases.

• Authors: G D Kettyls, V M Verrall, L D Wilton, J B Clapp, D A Clarke, J D Rublee
• Journal: Canadian Medical Association journal (Can Med Assoc J) Vol. 106 Issue 11 Pg. 1175-9 (Jun 10 1972) ISSN: 0008-4409 [Print] Canada
• PMID: 5034698 (Publication Type: Journal Article)

Topics

• Adolescent
• Adult
• Animals
• Arbovirus Infections (epidemiology)
• Arboviruses (immunology)
• Brain (microbiology)
• British Columbia
• Child
• Colorado Tick Fever (epidemiology, immunology)
• Complement Fixation Tests
• Encephalitis Virus, St. Louis (immunology)
• Encephalitis Virus, Western Equine (immunology, isolation & purification)
• Encephalitis, Arbovirus (epidemiology, immunology)
• Encephalomyelitis, Equine (epidemiology, immunology)
• Female
• Hemagglutination Inhibition Tests
• Horses
• Humans
• Male
• Neutralization Tests