EXPERIMENTAL MATERIAL ON THE ETIOLOGY OF THE AUTUMNAL FORM OF ENCEPHALITIS, REPORT 2
Abstract
The report states that 48 strains of virus have been isolated from patients and people who died from the disease. These strains and all strains tested in all experiments are identical (biologically and serologically) to Japanese encephalitis. Vectors were ascertained to be the Culex pipiens and Culex tritaeniorhynchus. This coincides with reports from Japan on the vectors of encephalitis. Humans and animals were also named as vectors of the virus, ailing or healthy. Reports of the epidemic in Tokyo in 1938 stated (according to this author) that humans and horses had a high titer of antibodies of encephalitis, and figures are 86% in humans, 98% in horses, 86% in cows and 87% in pigs. Tests on humans and birds, not infected or having been infected, were made to determine their virus capacity at the time of this epidemic; blood from humans was blended (three blood samples) and injected into mice (white). An experimental encephalitis developed. The strain was identical to that of infected humans. Only one strain survived a 3 month storage in 50% glycerine. Strains were easy to handle and filtered nicely.
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 01, 1968
- Accession Number
- AD0676987
Entities
People
- A. K. Shubladze
Organizations
- United States Army Biological Warfare Laboratories