London: Following reports of coronavirus infection, healthy children aged 12 to 17 have been advised to wait 12 weeks before having a Covid jab in the UK.
Previously the advice was to leave a four-week gap.
The UK Health Security Agency said the change was a precaution against the small risk of heart inflammation. UK vaccine advisers recommended a 12-week gap between doses when they gave a green light on Monday for 16 and 17-year-olds to get a second jab.
Cases to date have been mild and recovered quickly with treatment.