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A
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Indigenous case, a patient who contracted malaria in the village where the patient lived during infection period
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B
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Imported case, a patient who contracted malaria from another area. Place of infection must be identified at village level
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Bx
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Contracted malaria from another village but within the same subdistrict
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By
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Contracted malaria from another subdistrict but within the same district
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Bz
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Contracted malaria from another district but within the same province
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Bo
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Contracted malaria from another province
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Bf
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Contracted malaria from abroad
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C
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Relapse case, a Plasmodium vivax or Plasmodium ovale patient who had a malaria episode and has recurrent fever that is not a new infection
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D
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Induced case, a patient who received malaria parasites from blood transfusion
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E
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Introduced case, a patient who contracted malaria with evidence connecting the case to an imported case
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F
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Unclassified case where, after investigation, staff are unable to determine a whether the patient is A or B
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G
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Uninvestigated case, a patient that staff unsuccessfully attempted to investigate
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