Table 1.

The effect of S. mansoni infection on the development of cerebral malaria.

50 cercariae	P. berghei-infected mice		Co-infected mice*
	Cerebral malaria	Anaemic malaria	Cerebral malaria	Anaemic malaria
Experiment 1	5	3	2	4
Experiment 2	7	3	2	9
Total	12/18	6/18	4/17	13/17
(%)	(67%)	(33%)	(24%)	(76%)
100 cercariae	P. berghei-infected mice		Co-infected mice*
	Cerebral malaria	Anaemic malaria	Cerebral malaria	Anaemic malaria
Experiment 1	5	3	0	7
Experiment 2	7	3	3	7
Experiment 3	6	5	2	8
Total	18/29	11/29	5/27	22/27
(%)	(62%)	(38%)	(19%)	(81%)

* Mice were infected with 5 × 10⁴ P. berghei-parasitized erythrocytes seven weeks after injection of 50 or 100 S. mansoni cercariae.