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Plasmodium vivax in Giemsa-stained thin blood smear with all developmental stages present in peripheral blood. (A) Growing amoeboid trophozoite in enlarged red blood cell (RBC) with eosinophilic stippling (schuffner's dots). (B) Immature schizonts with clumps of brown pigment almost fill the enlarged RBCs. (C) Mature schizont with merozoites (about 14) and clumped pigment. (D) Macrogametocyte with diffuse brown pigment and eccentric compact chromatin.
