NHS
| Website Title | Resource Summary | |
|---|---|---|
| Three-quarters of people with flu have no symptoms |
“‘77% of flu infections’ have no symptoms, say experts,” reports ITV News. The study was part of Flu Watch – a larger, ongoing study to assess the impact of flu on public health in England – and analysed five groups of people over six periods of influenza transmission, between 2006 and 2011. |
