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Naegleria fowleri
Naegleria fowleri (often referred to as the “brain-eating amoeba”) Naegleria fowleri Details: Type:Free-living amoeba (single-celled organism) Category:Free-living protozoa Transmission Type:Waterborne (nasal exposure) Primary Target Area:Brain and central nervous system Lifecycle Form:Exists in three forms — trophozoite (active feeding form), flagellate (temporary motile form), and cyst (environmentally resistant form) Incubation Period:Symptoms typically begin 1 to 12 ... Read more
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Trypanosoma brucei
Trypanosoma brucei (also referred to as T. brucei) Trypanosoma brucei Details: Type:Protozoan parasite (single-celled organism) Category:Blood and tissue protozoa (hemoflagellate parasite) Transmission Type:Vector-borne (tsetse fly transmission) Primary Target Area:Bloodstream, lymphatic system, central nervous system Lifecycle Form:Trypomastigote (circulating infective form in humans), epimastigote (form within the tsetse fly vector) Incubation Period:Symptoms may develop within days to ... Read more
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Acanthamoeba species
Acanthamoeba species (also referred to as Acanthamoeba spp.) Acanthamoeba species Details: Type: Free-living amoeba (single-celled organism) Category: Free-living protozoa Transmission Type: Waterborne, environmental exposure Primary Target Area: Eyes, skin, central nervous system Lifecycle Form: Exists in two forms — trophozoite (active feeding form) and cyst (environmentally resistant form) Incubation Period: Varies depending on type of ... Read more
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Babesia microti
Babesia microti (also referred to as B. microti) Babesia microti Details: Type: Protozoan parasite (single-celled organism) Category: Blood parasite (intraerythrocytic protozoa) Transmission Type: Vector-borne, bloodborne Primary Target Area: Red blood cells Lifecycle Form: Exists primarily as sporozoites (transmitted by ticks) and merozoites (infecting red blood cells) Incubation Period: Symptoms typically develop within 1 to 4 ... Read more
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Leishmania major
Leishmania major (also referred to as L. major) Leishmania major Details: Type: Protozoan parasite (single-celled organism) Category: Intracellular protozoa (hemoflagellate parasite) Transmission Type: Vector-borne (sandfly transmission) Primary Target Area: Skin tissue Lifecycle Form: Exists in two main forms — promastigote (infective form transmitted by sandflies) and amastigote (intracellular form within human immune cells) Incubation Period: ... Read more
Leishmania donovani
Leishmania donovani (also referred to as L. donovani) Leishmania donovani Details: Type: Protozoan parasite (single-celled organism) Category: Intracellular protozoa (hemoflagellate parasite) Transmission Type: Vector-borne (sandfly transmission) Primary Target Area: Reticuloendothelial system (liver, spleen, bone marrow) Lifecycle Form: Exists in two main forms — promastigote (infective form transmitted by sandflies) and amastigote (intracellular form within human ... Read more
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Trypanosoma cruzi
Trypanosoma cruzi (also referred to as T. cruzi) Trypanosoma cruzi Details: Type: Protozoan parasite (single-celled organism) Category: Blood and tissue protozoa (hemoflagellate parasite) Transmission Type: Vector-borne, congenital, bloodborne, foodborne Primary Target Area: Bloodstream, heart tissue, digestive tract (esophagus and colon) Lifecycle Form: Exists in multiple forms — trypomastigote (circulating infective form), amastigote (intracellular replicative form), ... Read more
Toxoplasma gondii
Toxoplasma gondii (also referred to as T. gondii) Toxoplasma gondii Details: Type: Protozoan parasite (single-celled organism) Category: Intracellular protozoa (tissue parasite) Transmission Type: Foodborne, zoonotic, congenital Primary Target Area: Muscle tissue, brain, eyes, and other organs Lifecycle Form: Exists in multiple forms — oocyst (shed in cat feces), tachyzoite (rapidly multiplying form), and bradyzoite (slow-growing ... Read more
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Plasmodium knowlesi
Plasmodium knowlesi Plasmodium knowlesi (also referred to as P. knowlesi) Plasmodium knowlesi Details: Type: Protozoan parasite (single-celled organism) Category: Blood parasite (malarial parasite) Transmission Type: Vector-borne (mosquito transmission) Primary Target Area: Red blood cells (circulatory system) Lifecycle Form: Exists in multiple stages — sporozoite (infective form transmitted by mosquitoes), liver stage (hepatic schizont), and blood ... Read more
Plasmodium ovale
Plasmodium ovale (also referred to as the tertian malaria parasite) Plasmodium ovale Details: Type:Single-celled parasitic protozoan Category:Blood & tissue protozoa Transmission Type:Mosquito-borne Primary Target Area:Liver cells and red blood cells Lifecycle Form:Exists in multiple forms — sporozoites (infective form), merozoites (blood-stage replicating form), gametocytes (sexual form), and hypnozoites (dormant liver stage causing relapse) Incubation Period:Symptoms ... Read more
Frequently Asked Questions
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