Some Metro Manila cities begin vaccinating minors aged 12 to 17 without underlying illnesses. These are Marikina, Navotas, Taguig, and Quezon City.<br /><br />In Taguig, inoculation is not only for residents. It's also open for all students studying in Taguig.<br /><br />Crissy Dimatulac has more. www.cnn.ph