Microneedles (IMAGE) The Lancet Caption This close-up image shows a microneedle array containing influenza vaccine. When pressed into the skin, the tiny needles dissolve, carrying vaccine into the skin. Credit The Lancet 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.