By Dr .Muhammad Mosleh Uddin
âĸ
07 Aug, 2026
Man can be both accidental and main host for Leishmania
Final prof VIVA | Medicine
đ´ āĻāĻā§āĻāĻž āĻŦāϞā§, Visceral Leishmaniasis-āĻ āĻŽāĻžāύā§āώ āĻāĻŋ Main host āύāĻžāĻāĻŋ Accidental host?
- āϏā§āϝāĻžāϰ, āĻĻā§āĻā§āĻ āĻšāϤ⧠āĻĒāĻžāϰā§āĨ¤ āĻāĻāĻŋ Leishmania-āĻāϰ life cycle-āĻāϰ type āĻāϰ āĻāĻĒāϰ āύāĻŋāϰā§āĻāϰ āĻāϰāĻā§āĨ¤ Anthroponotic life cycle āĻ āĻŽāĻžāύā§āώ āĻšāϞ⧠main host/reservoir. āĻāϰ Zoonotic life cycle āĻ āĻŽāĻžāύā§āώ āĻšāϞ⧠accidental host/reservoir.
āĻāϞā§āύ, āĻāĻāĻā§ deatails āĻ āĻŦāϞāĻŋ, āĻāύāĻļāĻž āĻāϞā§āϞāĻžāĻšāĨ¤
Leishmania protozoa āĻāϰ ⧍ āϧāϰāĻŖā§āϰ life cycle āĻāĻā§āĨ¤
1. Anthroponotic life cycle
2. Zoonotic life cycle
đˇ Anthroponotic life cycle:
Human â Sandfly â Human
āĻāĻāĻžāύ⧠āĻŽāĻžāύā§āώāĻ āĻšāϞ⧠Main host/reservoir.
āĻ
āϰā§āĻĨāĻžā§, Leishmania protozoa āϰ life cycle maintain āĻāϰāϤ⧠āĻāĻāĻžāύ⧠Human āĻŽāĻžāύā§āώāĻ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ āĻā§āĻŽāĻŋāĻāĻž āϰāĻžāĻā§āĨ¤
āĻāĻ life cycle āĻā§āύ āϧāϰāĻŖā§āϰ Leishmania species āĻ āĻĻā§āĻāĻž āϝāĻžā§?
āĻāĻāĻž Leishmania donovani species āĻ āĻĻā§āĻāĻž āϝāĻžā§āĨ¤ āĻāϰ āĻāĻāĻžāĻ āĻŦāĻžāĻāϞāĻžāĻĻā§āĻļ, āĻāĻžāϰāϤ, āύā§āĻĒāĻžāϞ⧠āĻŦā§āĻļāĻŋ āĻšā§āĨ¤
đˇ Zoonotic life cycle:
Dog â Sandfly â Human
āĻāĻāĻžāύ⧠āĻā§āĻā§āϰ āĻŦāĻž Canine animal āĻšāϞ⧠main host/reservoir āĻāĻŦāĻ āĻŽāĻžāύā§āώ āĻšāϞ⧠accidental (incidental) host. āĻāĻžāϰāĻŖ āĻāĻāĻžāύ⧠Leishmania protozoa āϰ life cycle maintain āĻāϰāϤ⧠āĻŽāĻžāύā§āώ āĻāϰā§āϰāĻŋ āύāĻžāĨ¤ āĻŽāĻžāύā§āώ āĻāĻžā§āĻžāĻ āĻāĻ life cycle continue āĻšāϤ⧠āĻĒāĻžāϰā§āĨ¤
āĻāĻ life cycle āĻā§āύ āϧāϰāĻŖā§āϰ Leishmania species āĻ āĻĻā§āĻāĻž āϝāĻžā§?
āĻāĻāĻž Leishmania infantum and Leishmania chagasi species āĻ āĻĻā§āĻāĻž āϝāĻžā§āĨ¤
đ´ āϤāĻžāĻšāϞ⧠āĻŽāύ⧠āϰāĻžāĻāĻŦā§āύ,
Visceral leishmaniasis āĻ āĻŽāĻžāύā§āώ āϏāĻŦāϏāĻŽāϝāĻŧ accidental host - āĻāĻ āĻāĻĨāĻžāĻāĻŋ āĻā§āϞāĨ¤
đ L. donovani â Human are main host/reservoir
đ L. infantum â Human = Human are accidental host
āĻŦāĻžāĻāϞāĻžāĻĻā§āĻļā§ Visceral Leishmaniasis-āĻāϰ main pathogen āĻšāϞ⧠Leishmania donovani, āϤāĻžāĻ āĻāĻŽāĻžāĻĻā§āϰ āĻĻā§āĻļā§ āĻŽāĻžāύā§āώāĻ āĻĒā§āϰāϧāĻžāύ reservoir/hostāĨ¤
Feel the MEDICINE
Dr. Muhammad Mosleh Uddin
MBBS (CMC), FCPS P1 (Cardiology)