ISOLATION OF ENTERIC VIRUSES IN ONTARIO DURING 1960-1962

  • 1 January 1963
    • journal article
    • research article
    • Vol. 89  (18) , 921-+
Abstract
During the past three years 681 isolations were made in tissue culture from 6822 specimens submitted for virus studies by physicians and hospitals from all over Ontario. Nearly 74% of the isolates were enteroviruses, approximately 5% adenoviruses and about 1% reoviruses. The remaining 20% are still to be identified. Although the bulk of isolations was made during the same three-month period (August, September and October) of each year, the predominant virus types varied from year to year. Poliovirus 1 was most commonly encountered in 1960, Coxsackie B5 in 1961 and ECHO 9 in 1962. Among other types isolated in smaller numbers were Coxsackie A1, 9 and 10, Coxsackie B1, 2, 3 and 4, ECHO 1, 2, 5, 6, 7, 8, 11, 14, 17, 18 and 19, Reovirus 1, 2 and 3, Adenovirus 1, 2, 3, 4, 5, 7 and 16, as well as Frater-type virus. Most of these types were isolated for the first time in Ontario and represent additions to the existing list of viruses known to occur in this province.

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