Health officials say there is mounting evidence that a common virus is linked to rare cases of hepatitis that have been occurring in some young children.
Health officials are now investigating 108 cases of sudden-onset hepatitis - or liver inflammation - in children in the UK since the start of this year.
The latest roll-out of Covid jabs has extended the programme to all children aged between five and 11. BBC News talks to some of the first families who got the dose.
More than one in 10 school entry-age children in England are at risk of measles because they have not had their vaccine jabs, data reveals.
The puzzle of why humans are growing taller and reaching puberty earlier than ever before can be explained by a sensor in the brain, scientists say.
One-year-old twin girls who were born conjoined at the back of their heads have seen each other for the first time after undergoing rare separation surgery in Israel.
A baby thought to be the world's smallest at birth has been discharged from a Singapore hospital after 13 months of intensive treatment.
Children who become ill with coronavirus rarely experience long-term symptoms, with most recovering in less than a week, research suggests.
The overall risk of children becoming severely ill or dying from Covid is extremely low, a new analysis of Covid infection data confirms.
Offering children in some richer countries a coronavirus vaccine before some high-risk people in poorer ones is "morally wrong", a group of MPs has been told.