Rickettsia parkeri in Amblyomma americanum ticks, Tennessee and Georgia, USA.
To determine the geographic distribution of the newly recognized human pathogen Rickettsia parkeri, we looked for this organism in ticks from Tennessee and Georgia, USA. Using PCR and sequence analysis, we identified R. parkeri in 2 Amblyomma americanum ticks. This rickettsiosis may be underdiagnosed in the eastern United States.
Cohen
Sara B
SB
Tennessee Department of Health, Nashville, Tennessee, USA.
Yabsley
Michael J
MJ
Garrison
Laurel E
LE
Freye
James D
JD
Dunlap
Brett G
BG
Dunn
John R
JR
Mead
Daniel G
DG
Jones
Timothy F
TF
Moncayo
Abelardo C
AC
D000818:Animals; D001096:Arachnid Vectors / Q000382:microbiology*; D005845:Georgia; D006801:Humans; D026863:Ixodidae / Q000382:microbiology*; D016133:Polymerase Chain Reaction / Q000379:methods; D012281:Rickettsia / Q000145:classification / Q000235:genetics / Q000302:isolation & purification; D012282:Rickettsia Infections / Q000382:microbiology; D017422:Sequence Analysis, DNA; D013045:Species Specificity; D013714:Tennessee