Several Ontario universities strengthening campus COVID-19 vaccination policies Some universities are also allowing second-year students to participate in on-campus orientation events since the pandemic meant they missed out on them last year.Organizers say those attending orientation — or frosh — week will need to abide by universities’ COVID-19 vaccine policies.They also say several public health measures, including masking and limits on attendance, will be in place.Several schools have strengthened their vaccination policies recently, saying anyone attending campus will need to be fully immunized this fall unless they have a valid exemption..