Thousands of people across the country are taking part in the the UK Flusurvey, a citizen science project run by the London School of Hygiene & Tropical Medicine. By sharing their symptoms on a weekly basis, the public can help scientists learn more about flu and how to combat it. Here, Dr Alma Adler and Professor John Edmunds discuss the progress so far and explore common questions such as is their any truth in manflu? And which people are most at risk?