MALARIA: malarial parasite strains - severe malaria

From:	William Brieger
Date:	Mon, Oct 1, 2012 7:02 am

http://www.medicalnewstoday.com/releases/250854.php

Scientists have shown for the first time that severe strains of the parasite, which cause the most harmful malarial infections, are harder to kill with treatment than less harmful strains.