Non-falciparum malaria can stay with you for life and recur if it is not adequately eradicated from the liver by drug therapy.
This is an excellent website for malaria info for free:
http://www.fitfortravel.scot.nhs.uk/
It is the free, public version of the outstanding
www.travax.nhs.uk which costs a few ££ and is theroetically for health professionals only.
QDM