Cat Parasite Takes Control of our Immune System (video) Stockholm University Share Print E-Mail Loading video... Caption New research show that Toxoplasma gondii infects the human body by controlling our immune cells. They do so in a very smart way, says professor Antonio Barragan, Stockholm University. Credit Stockholm University Usage Restrictions May be used in connection with news related to Stockholm University Share Print E-Mail 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.