Malaria Parasites (IMAGE) University of Edinburgh Caption Microscopy showing red blood cells, some infected with malaria parasite Plasmodium chabaudi. Circled are two sexual transmission stages. Credit Aidan O'Donnell Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.