Art of Science_Crypto Rain (IMAGE) Walter and Eliza Hall Institute Caption The sparkling ‘raindrops’ in this image are Cryptosporidium parasites, which cause a water-borne diarrhoeal illness responsible for 200,000 deaths per year around the world. Research is investigating different parasite components as potential targets for vaccines. Credit: WEHI Credit WEHI Usage Restrictions Free to share, must credit. License Original 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.