Skip to main content
Canadian Medical Association Journal logoLink to Canadian Medical Association Journal
. 1974 May 18;110(10):1173-1174, 1179-1180.

A case of Powassan virus encephalitis

Edmond Rossier, Robert J Harrison, Bernard Lemieux
PMCID: PMC1947498  PMID: 4829843

Abstract

A case of encephalitis due to Powassan virus, probably transmitted through tick-bite, is reported in an 8-year-old boy. There was a 50-fold increase in neutralization titre against Powassan virus, but the virus could not be isolated. Other virological investigations were negative.

The patient survived and early physiotherapy and speech re-education could be instituted. Nine months after onset of illness the patient showed moderate sequelae, despite a very severe illness.

Full text

PDF
1179

Selected References

These references are in PubMed. This may not be the complete list of references from this article.

  1. Finley K. H., Fitzgerald L. H., Richter R. W., Riggs N., Shelton J. T. Western encephalitis and cerebral ontogenesis. Arch Neurol. 1967 Feb;16(2):140–164. doi: 10.1001/archneur.1967.00470200028003. [DOI] [PubMed] [Google Scholar]
  2. Goldfield M., Austin S. M., Black H. C., Taylor B. F., Altman R. A non-fatal human case of Powassan virus encephalitis. Am J Trop Med Hyg. 1973 Jan;22(1):78–81. doi: 10.4269/ajtmh.1973.22.78. [DOI] [PubMed] [Google Scholar]
  3. MCLEAN D. M., DEVOS A., QUANTZ E. J. POWASSAN VIRUS: FIELD INVESTIGATIONS DURING THE SUMMER OF 1963. Am J Trop Med Hyg. 1964 Sep;13:747–753. doi: 10.4269/ajtmh.1964.13.747. [DOI] [PubMed] [Google Scholar]
  4. MCLEAN D. M., LARKE R. P. Powassan and Silverwater viruses: ecology of two Ontario arboviruses. Can Med Assoc J. 1963 Jan 26;88:182–185. [PMC free article] [PubMed] [Google Scholar]
  5. McLEAN D. M., DONOHUE W. L. Powassan virus: isolation of virus from a fatal case of encephalitis. Can Med Assoc J. 1959 May 1;80(9):708–711. [PMC free article] [PubMed] [Google Scholar]
  6. McLean D. M., Bergman S. K., Goddard E. J., Graham E. A., Purvin-Good K. W. North-south distribution of arbovirus reservoirs in British Columbia, 1970. Can J Public Health. 1971 Mar-Apr;62(2):120–124. [PubMed] [Google Scholar]
  7. McLean D. M., Cobb C., Gooderham S. E., Smart C. A., Wilson A. G., Wilson W. E. Powassan virus: persistence of virus activity during 1966. Can Med Assoc J. 1967 Mar 18;96(11):660–664. [PMC free article] [PubMed] [Google Scholar]
  8. McLean D. M., McQueen E. J., Petite H. E., Macpherson L. W., Scholten T. H., Ronald K. Powassan Virus: Field Investigations in Northern Ontario, 1959 to 1961. Can Med Assoc J. 1962 May 26;86(21):971–974. [PMC free article] [PubMed] [Google Scholar]
  9. McLean D. M., Smith P. A., Livingstone S. E., Wilson W. E., Wilson A. G. Powassan virus: vernal spread during 1965. Can Med Assoc J. 1966 Mar 12;94(11):532–536. [PMC free article] [PubMed] [Google Scholar]
  10. WHITNEY E., JAMNBACK H. THE FIRST ISOLATIONS OF POWASSAN VIRUS IN NEW YORK STATE. Proc Soc Exp Biol Med. 1965 Jun;119:432–435. doi: 10.3181/00379727-119-30202. [DOI] [PubMed] [Google Scholar]

Articles from Canadian Medical Association Journal are provided here courtesy of Canadian Medical Association

RESOURCES