Vega was transferred to the Lung Center of the Philippines in Quezon City at about 5:00 p.m on Monday, May 6, 1985 where she died suddenly around 1½ hours later at the hospital's intensive care unit, just fifteen days shy of her seventeenth birthday. Her cause of death was officially listed as cardiac arrest secondary to bronchopneumonia.
Vega was transferred to the Lung Center in Quezon City on May 6, 1985, around 5:00 p.m., and died suddenly about 1½ hours later at the hospital's ICU, just days before her seventeenth birthday. The official cause of death was listed as cardiac arrest caused by bronchopneumonia.