More data is needed to identify the "problem areas" in child deaths, Dr Hilary told Daybreak this morning.
The Government will today announce a national pledge to cut child deaths, being amongst the worst in Europe for child mortality rates.
Dr Hilary said that we need to find out why we are missing the diagnosis of diabetes and asthma, and that the Government's proposals today could help to solve this.
More top news
Lord Hain has raised concerns that British financial institutions in South Africa could have been used as conduits for laundered money.
People could suffer vision loss or infection from the lenses, which are often sold illegally online, in shops and on market stalls.
Between 2011 and 2014 reports of self-harm among British girls aged between 13 and 16 rose by 68%, according to new research.