Trusts across the country currently screen every newborn for five conditions, including cystic fibrosis and sickle cell disorders.
Daybreak's Dr Hilary Jones says that at least 16 children are expected to be diagnosed and treated early enough to help them live normal lives.
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Two private citizens have already paid a "significant deposit" to take the week-long trip.
Slippy start tomorrow with frost & ice
The court will determine how much the UK government and travel firms knew about the risk of an attack on tourists holidaying in the area.