More specific details will be shared in the COVID-19 briefing scheduled to take place at 2 p.m.The event will be livestreamed here.As of Friday, Nova Scotia announced people aged 40 to 54 can book appointments for the AstraZeneca COVID-19 vaccine.These appointments also remain open to people 55 to 64 years old.In the meantime, appointments for Pfizer and Moderna COVID-19 vaccines at clinics across the province are open to people aged 55 and older..