Table 2. High dose of pbspeld ko sporozoites delivered through intravenous (i.v) route induce an occasional break through infection in mice with delayed pre patent period.

Parasite strain	Experiment number	Mice positive/mice injected	Pre patent period (days)
WT	I	3/3	4
	II	3/3	4
pbspeld ko C1	I	1/4	9
	II	0/4	Negative until day 15
	III	0/3	Negative until day 15
	IV	0/2	Negative until day 15
pbspeld ko C2	I	0/3	Negative until day 15
	II	0/3	Negative until day 15