Infectiologic differential diagnosis of chronic Lyme disease and so ...
Infectiologic differential diagnosis of chronic Lyme disease and so ...
Infectiologic differential diagnosis of chronic Lyme disease and so ...
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- Ehrlichia chaffeensis [1]<br />
- Anaplasma phagocytophilum [2]<br />
E. chaffeensis infects monocytes; A. Phagocytophila, granulocytes.<br />
E. chaffeensis is the pathogen <strong>of</strong> human monocytic ehrlichiosis (HME), a very rare<br />
infectious <strong>disease</strong>, which occurs primarily in the USA <strong>and</strong> <strong>so</strong>me regions <strong>of</strong> South<br />
America, but practically nowhere else on earth.<br />
E. phagocytophila is the pathogen <strong>of</strong> human granulocytic anaplasmosis, another<br />
extremely rare <strong>disease</strong> in the USA with an annual incidence <strong>of</strong> approximately 10 / 1<br />
million in habitants [3].<br />
The infection data <strong>and</strong> symptomatology are compiled in Table 22.<br />
Table 22<br />
Human granulocytic anaplasmosis (HGA)<br />
Infection data, symptomatology, treatment<br />
Pathogen:<br />
- E. chaffeensis <strong>and</strong> Anaplasma phagocytophilum<br />
Transmission:<br />
- Ticks (I. ricinus (Europe), I. scapularis (USA))<br />
Reservoirs:<br />
- Red deer, human beings (E. chaffeensis). White-footed mice (Anaplasma<br />
phagocytophilum)<br />
Intracellular localization<br />
Symptomatology:<br />
- Fever<br />
- Influenza-like symptoms<br />
- Headaches<br />
- Joint pains<br />
- Muscle pains<br />
- Coughing<br />
- CNS di<strong>so</strong>rders<br />
- Meningitis<br />
Pathological laboratory findings:<br />
38