Children aged two to three may have little natural immunity to flu and “can become severely ill”, UK Health Security Agency consultant epidemiologist Dr Conall Watson has warned
Parents have been put on high alert after worrying new data revealed the number of children in hospital with a deadly virus has surged in the last week.
Respiratory syncytial virus (RSV) has already caused the death of thousands of youngsters under the age of five, medics have confirmed.
The UK Health Security Agency says not only have cases risen sharply, but hospitalisations have also soared.
RSV usually has cold-like symptoms and normally accounts for 20,000 hospital admissions in under-ones in the UK.