Volume 5, Number 2—April 1999
Perspective
Disparity in the Natural Cycles of Borrelia burgdorferi and the Agent of Human Granulocytic Ehrlichiosis
Michael L. Levin
, Franka des Vignes, and Durland Fish
, Franka des Vignes, and Durland FishTable 3
Exposure to the agent of human granulocytic ehrlichiosis in white-footed mice, as detected by xenodiagnosis and indirect immunoflorescence assay (IFA), and their infestation with Ixodes scapularis nymphs and larvae (Bridgeport, Connecticut)
| Status of mice | Mice tested | Mean no. of nymphs (± SE) | Mean no. of larvae (± SE) |
|---|---|---|---|
| Infectiousa | 20 | 0.7±0.1 | 19.5±1.6 |
| IFA-positive | 46 | 0.9±0.1 | 14.9±0.9 |
| IFA-negative | 72 | 0.7±0.1 | 17.8±1.9 |
| noninfectious | |||
aMice infectious for ticks at the time of study.
