Experts are warning Britons to be on the lookout for respiratory syncytial virus (RSV) this winter, a contagious disease related to mumps and measles that poses a particular risk to very young children and the elderly.
The alert comes amid ongoing concern over the spread of influenza after two years of limited exposure to that virus because of Covid-19 social restrictions and the possibility of the coronavirus staging a fresh resurgence at a time when the NHS is already battling huge waiting times and a treatment backlog.
