Human granulocytic anaplasmosis
Human Granulocytic Anaplasmosis
Human Granulocytic Anaplasmosis (pronounced: hew-man gran-yuh-loh-sit-ik an-uh-plaz-moh-sis), often abbreviated as HGA, is a tick-borne, infectious disease caused by the bacterium Anaplasma phagocytophilum.
Etymology
The term "anaplasmosis" is derived from the Greek words "ana" meaning "back", and "plasma" meaning "formation". This refers to the way the bacteria infects and changes the host's cells. "Granulocytic" refers to the type of white blood cell that the bacteria primarily infects, known as granulocytes.
Symptoms
Symptoms of HGA typically appear within 1-2 weeks after a tick bite and can include fever, headache, muscle aches, and fatigue. In severe cases, HGA can cause complications such as hemolytic anemia, thrombocytopenia, and organ failure.
Diagnosis
Diagnosis of HGA is typically made based on clinical signs and symptoms, and confirmed through laboratory testing. This can include polymerase chain reaction (PCR) testing, serology, or microscopic examination of a blood smear.
Treatment
Treatment for HGA typically involves the use of antibiotics, such as doxycycline, which is most effective when started early in the course of the disease.
Prevention
Prevention of HGA primarily involves avoiding tick bites through the use of insect repellents, wearing long sleeves and pants, and checking for ticks after being in wooded or grassy areas.
See Also
External links
- Medical encyclopedia article on Human granulocytic anaplasmosis
- Wikipedia's article - Human granulocytic anaplasmosis
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