as for your disease is concern . since you had TO positive it should be considered as recent typhoid
infection . and your sun nned tretamnet for typhoid for atleast 10 to 14 day cources by cefexime alone or combination of cefeixime and oflaxacine / azithromycin
. and now he is getting complication of typhoid .
but once treatment of malaria
has been started without confirmation get complete cource of malaria . but you can do antigen test for malaria even tgough treatment is started