Assessment of exposure in three-monthly visits from birth until admission^a in 61 children admitted with severe malaria.

a. samples until 2 years of age at most. b. cases with impaired consciousness with or without other syndromes. c. including respiratory distress and severe malaria anemia and not impaired consciousness. d. ever detected in all samples. e. total number of clones detected in an individual including all visits. f. exposed (parasite positive and/or antibodies to schizont extract at least once) n (%). g. not exposed as determined by PCR and antibodies to schizont extract.