While in the study, students will be asked to do these things:

• Come to all study visits.
• Do not take routine nasal sprays (including steroid sprays) or washes for at least 7 days following any study vaccination.
• Do not use smoking products (including vaping) from enrolment through the first month following any study vaccination.
• Tell the study doctor about any new treatment or medicine received during the study.
• Give correct information about health history and current health.
• Tell the study doctor about any health problems during the study.
• Complete a daily diary for 7 days after receiving the vaccination.
• Remain in touch with the study doctor or study site staff and tell them if there is a change where they live or how to contact you.
• Agree to not take part in any other study until at least 85 days following the final study vaccination.
• Avoid routine/repeated contact with, or living in a household with, individual(s) who have an impaired immune system that may not function well.