Virus Transmission Model (IMAGE) Indiana University Caption This illustration shows how the transmission of Wolbachia bacteria (in purple) from fruit flies to mosquitoes appears to block the transmission of viruses (in blue) to humans. Credit Tamanash Bhattacharya Usage Restrictions Credit Tamanash Bhattacharya 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.