Thiruvananthapuram : Vaccination has begun in schools for children aged 15 - 18. Shots are being given across 125 schools. 27,087 students received their injections day one from school premises.. 86,68,721 students(57 Percent) have been inoculated against Covid so far. Students and parents said vaccines arriving at schools has been extremely helpful. Health Minister Veena George visited vaccination point set up at Manacaud Vocational Higher Secondary School. More vaccine centres will be put up in coming days, the minister said.