Document Detail

Prospective studies of Bartonella of rodents. Part I. Demographic and temporal patterns in population dynamics.
MedLine Citation:
PMID:  15671735     Owner:  NLM     Status:  MEDLINE    
The temporal dynamics of Bartonella infections in a rodent community were described by repeatedly capturing and sampling individual animals. Among six rodent species, from which bartonellae were isolated, cotton rats (Sigmodon hispidus) accounted for > 98% of the bacteremic animals. All cotton rats captured four or more times were Bartonella-culture positive at least once. The lowest monthly prevalence of Bartonella in cotton rats was in June (49%) and the highest was in October (95%). Prevalence of Bartonella infection increased to > 90% among juvenile and subadult rats before declining to < 40% among the largest-oldest individuals. Bacteremia levels ranged between 40 and 4.0 x 10(6) colony forming units (CFU) per 1 mL of blood. Male cotton rats had significantly higher CFUs than females (p = 0.006). The median of Bartonella bacteremia decreased monotonically by age group among cotton rats. Although Bartonella infections were highly prevalent among cotton rats, only 8.5% of rats had reactive antibodies at titers of > or = 1:32 and none had antibodies titers of > 1:256.
Michael Kosoy; Eric Mandel; Douglas Green; Eric Marston; James Childs
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Vector borne and zoonotic diseases (Larchmont, N.Y.)     Volume:  4     ISSN:  1530-3667     ISO Abbreviation:  Vector Borne Zoonotic Dis.     Publication Date:  2004  
Date Detail:
Created Date:  2005-01-26     Completed Date:  2005-06-21     Revised Date:  2005-11-17    
Medline Journal Info:
Nlm Unique ID:  100965525     Medline TA:  Vector Borne Zoonotic Dis     Country:  United States    
Other Details:
Languages:  eng     Pagination:  285-95     Citation Subset:  IM    
Division of Vector-Borne Infectious Diseases, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado 80522, USA.
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MeSH Terms
Age Factors
Antibodies, Bacterial / blood
Bacteremia / epidemiology,  microbiology,  veterinary*
Bartonella / isolation & purification*
Bartonella Infections / epidemiology,  microbiology,  veterinary*
Colony Count, Microbial
Fluorescent Antibody Technique, Indirect / veterinary
Longitudinal Studies
Peromyscus / microbiology
Population Dynamics
Prospective Studies
Rodent Diseases / epidemiology*,  microbiology
Seroepidemiologic Studies
Sigmodontinae / microbiology*
United States / epidemiology
Reg. No./Substance:
0/Antibodies, Bacterial

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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