Course of asexual parasitaemia in sporozoite-induced mixed-strain challenge infections.

aDays until detectable parasitaemia in the thick blood smear from day of sporozoite- induced mixed-strain challenge.bDays until peak asexual parasitaemia from day of sporozoite-induced mixed-strain challenge.cSum of the asexual parasitaemia for nine consecutive days from the day of detectable parasitaemia in a thick blood smear.P P value of statistical significance by Mann-Whitney U test for two independent variables. The P value for each parameter is underlined.*Statistically significant.