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Any of the arthropod-borne vivi- ruses not associated with human disease "could one day surprise us as the cause of important epidemics," Albert B. Sabin, MD, warned a Chicago symposium.
Dr. Sabin's paper, read in his absence to The Symposium on the Child at the University of Chicago School of Medicine, emphasized:
New syndromes such as severe hemorrhagic disease of children seen recently in The Philippines and
Thailand may be caused by familiar viruses ( in this situation largely by the four known serologic types of dengue virus).
Isolation of new viruses ( O'nyong-nyong and Chikungunya in Africa; others in India, Argentina, and Bolivia) further underline the need for virologists to investigate new epidemics or unique syndromes of infectious disease.
New antigenic variants can appear, as in the Asian influenza pandemic of less than a decade ago.
Viruses usually found only in healthy people or not definitely associated
Current Viruses May Surprise Us. JAMA. 1966;197(12):49. doi:10.1001/jama.1966.03110120025008
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