A 15-year-old German teen is still in a serious condition at Waikato Hospital after the van he was in was involved in a head-on collision on State Highway 5, Reporoa, last Tuesday.
His 44-year-old mother is in a stable condition and remains in one of the hospital's wards.
The 43-year-oldfather and three other sons aged 8, 11 and 18 had been admitted for treatment but have since been discharged.