Flusurvey Nasal Swab Kit (IMAGE) London School of Hygiene & Tropical Medicine Caption This is a close-up of the Flusurvey nasal swab kit being used. Credit London School of Hygiene & Tropical Medicine 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.