Development of antibody to Rickettsia tsutsugamushi in soldiers in Malaysia

Transactions of the Royal Society of Tropical Medicine and Hygiene
G W BrownM G Groves

Abstract

Malaysian, British and New Zealand soldiers were tested for evidence of infection with Rickettsia tsutsugamushi after several weeks' exposure to the infection during field exercises in Malaysia. 39 (5.0%) of 787 British and New Zealand soldiers developed immunofluorescent antibody (IFA) to R. tsutsugamushi to a titre of 1:50 and two (0.3%) to a titre of 1:100. 11 (1.5%) of 751 Malaysian soldiers also developed low titres less than or equal to 1:100. These low antibody levels were not correlated with clinical disease, and their significance is unknown. Seven (0.9%) of the Malaysians showed an IFA rise to greater than or equal to 1:200, and three of these experienced febrile illnesses, one lasting two weeks. An additional eight Malaysian soldiers had an IFA titre of greater than or equal to 1:400 when first tested and six of these also had a Proteus OXK agglutinin titre of greater than or equal to 1:160, indicating infection shortly before the study.

References

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Citations

May 23, 2002·Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America·Daryl J KellyGregory A Dasch
Jan 6, 2007·Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America·Stuart D BlacksellNicholas P J Day
Apr 22, 2004·Transactions of the Royal Society of Tropical Medicine and Hygiene·Watcharee SaisongkorhKhachornsakdi Silpapojakul

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