Absence of serological evidence of Rickettsia spp., Bartonella spp., Ehrlichia spp. and Coxiella burnetii infections in American Samoa

Lau, Colleen, Musso, Didier, Fournier, Pierre-Edouard, Parola, Philippe, Raoult, Didier and Weinstein, Philip (2016) Absence of serological evidence of Rickettsia spp., Bartonella spp., Ehrlichia spp. and Coxiella burnetii infections in American Samoa. Ticks and Tick-borne Diseases, 7 5: 703-705. doi:10.1016/j.ttbdis.2016.02.019


Author Lau, Colleen
Musso, Didier
Fournier, Pierre-Edouard
Parola, Philippe
Raoult, Didier
Weinstein, Philip
Title Absence of serological evidence of Rickettsia spp., Bartonella spp., Ehrlichia spp. and Coxiella burnetii infections in American Samoa
Formatted title
Absence of serological evidence of Rickettsia spp., Bartonella spp., Ehrlichia spp. and Coxiella burnetii infections in American Samoa
Journal name Ticks and Tick-borne Diseases   Check publisher's open access policy
ISSN 1877-9603
1877-959X
Publication date 2016-07
Year available 2017
Sub-type Article (original research)
DOI 10.1016/j.ttbdis.2016.02.019
Open Access Status Not Open Access
Volume 7
Issue 5
Start page 703
End page 705
Total pages 3
Place of publication Muenchen, Germany
Publisher Elsevier
Collection year 2017
Language eng
Formatted abstract
Little is known about the epidemiology of zoonotic diseases in American Samoa (Pacific). A review of literature did not identify any published information on human Rickettsia spp., Bartonella spp., Ehrlichia spp. or Coxiella burnetii infections in this country. To determine the presence of these diseases, we conducted a serosurvey of American Samoans.

The presence of immunoglobulin G antibodies against Rickettsia felis, Rickettsia typhi, Rickettsia conorii, C. burnetii, Bartonella henselae, Bartonella quintana, and Ehrlichia chaffeensis was evaluated by indirect immunofluorescence assay in sera from 197 American Samoan adults. None of the samples had antibodies at a significant level against Rickettsia spp., Bartonella spp., Ehrlichia spp. or C. burnetii (seroprevalence 0%; one-tailed 95% CI 0–1.86%).

We cannot conclude that these pathogens are absent in American Samoa but, if present, their prevalence is probably very low. Q fever has been reported worldwide except in New Zealand and French Polynesia; these new data suggest that the prevalence of Q fever is likely to be very low in the Pacific Islands.
Keyword Rickettsia
Bartonella
Coxiella
Ehrlichia
Seroprevalence
Emerging diseases
Surveillance
American Samoa
Pacific Islands
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
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