Izimpawu zivela phakathi Ezinsukwini eziyi-10 no-15 ngemuva kokulunywa yisinambuzane esinegciwane. Izinhlobo ezithile ze-malaria (I-Plasmodium vivax et IPlasmodium ovale) ingahlala ingasebenzi esibindini amasonto noma izinyanga ngaphambi kokuba kuvele izimpawu zokuqala.

Umalaleveva ubonakala ngokuhlaselwa okuphindelelayo okuhlanganisa izigaba ezintathu:

• Ukugodola ;
• Ikhanda elibuhlungu ;
• Ukukhathala nobuhlungu bemisipha;
• Isicanucanu nokuhlanza;
• Uhudo (ngezikhathi ezithile).

Ihora noma amahora amabili kamuva:

• Imfiva ephezulu;
• Isikhumba siyashisa futhi some.

Bese izinga lokushisa lomzimba liyehla:

• Ukujuluka okukhulu;
• Ukukhathala nobuthakathaka;
• Umuntu othintekile uyalala.

Izifo zikamalaleveva ze-P. vivax kanye ne-P. ovale zingase zibuye emasontweni ambalwa noma ngisho nezinyanga ngemva kokutheleleka kokuqala ngisho noma isiguli sesiyishiyile indawo yokutheleleka. Lezi ziqephu ezintsha zibangelwa amafomu e-hepatic "elele".