Each Summer School participant must be vaccinated and will be required to provide proof of vaccination.  All participants must ensure that they meet the Quebec and Barcelona requirements in effect at the time of the Summer School. In the case of Quebec, the vaccination passport is required for all public activities.
For information on vaccination requirements in Quebec: Covid-19 Vaccine Passport
In addition, it is important to ensure that you meet the entry (and/or return) requirements for Canada and Spain.