Microneedles on a Coin (image) Georgia Institute of Technology Caption An array of dissolving microneedles is shown on a US penny coin. Researchers have been awarded $10 million to develop a microneedle patch for immunizing against influenza. Credit Courtesy of Mark Prausnitz Usage Restrictions None 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.