They had been admitted at the Yendi Hospital on Thursday, August 6 when the accident occurred.
Two cars in the convoy of the Gender Minister, Nana Oye Lithur, crashed on the Tamale-Yendi Road.
The team was on its way to the Ghani Witches Camp, where over 300 alleged witches are domiciled.
One of the cars also knocked down a boy, who was also admitted but referred to the Tamale Hospital.
The Minister has since visited the inmates of the camp.