Transmission, Control and Treatment of Infectious Diseases of Military Importance in Equatorial Asia.

Abstract

Local and foreign populations have been found which are sustaining significant infections with R. tsutsugamushi. Rodent hosts of the common vector chiggers have been trapped in the areas where several of the populations are exposed to the disease. Rickettsial isolations have been achieved from humans, rodents, and chiggers; and the strains are being identified. A micro-IFA test which produces equivalent data in a shorter period of time with a saving in reagents has been developed. Passively transferred convalescent sera do not completely protect mice against challenge with homologous scrub typhus strains and are ineffective against heterologous strains. L. L. fletcheri and L. L. arenicola chigger colonies infected with R. tsutsugamushi have been employed to study the effects of the duration of feeding and ambient temperature on transmission of organism. Samples have been shipped to WRAIR to examine the ultrastructure of organism in the vector and the fate of the rickettsia following attempted infections. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1975
Accession Number
ADA063119

Entities

People

  • C. R. Roberts
  • D. L. Huxsoll
  • D. M. Robinson
  • G. W. Brown
  • R. B. Singh

Organizations

  • Institute for Medical Research

Tags

DTIC Thesaurus Topics

  • Animals
  • Antibodies
  • Biomedical Research
  • Cells
  • Filter Paper
  • Health Services
  • Immune Serums
  • Infectious Diseases
  • Laboratory Animals
  • Medical Personnel
  • Microbiology
  • Mites
  • Rodents
  • Scrub Typhus

Readers

  • Aquatic Ecology
  • Neurodegenerative Parkinson's Disease and Rickettsial Disease handbook, including the data level of dopamine, BC, neurons, and PD.
  • Virology (or Medical Virology).