Malaria Species Comparisons
FEATURE
VIVAX
OVALE
FALCIPARUM
MALARIAE
Invade Duffy neg
no
yes
yes
yes
Invade old cells
Invade young cells
Invade pyropoik. cells
Hb S, C, E, Thal
Invade Hb AS cells
Invade fetal cells
Invade G-6-PD-A cell
Trophozoites
Type of stippling
merozoites/schizont
Fever/chill cycle
Relapses
RBC morphology
gametocytes
Pathogenicity
no
no
no
no
no
no
no
no
no
no
no
yes
yes
yes
yes
no
yes
?
?
?
?
?
?
low
low
low
low
low
Ring-dot
Mult Rings-2
dots
Ring-dot
Schuffner
Schuffner
12 - 14
4 - 8
8 - 12
44-48 hrs
48 hrs
36-48 hrs
72 hrs
yes
Lg pale
oval
Banana shape
most