[tag=VB | tag=IN] [word=falciparum] [□] □
[tag=VB | tag=IN] [word=falciparum] [□=□] □
[tag=VB | tag=IN] [word=falciparum] [□ & □] □
This phenomenon does not occur in falciparum or malariae malaria , and reappearance of these forms of the disease is the result of inadequate treatment or of infection with drug-resistant strains .