COVID-19 Updates ‘Big Jab Weekend’ is taking place across NI this weekend Posted 19.08.2021 This weekend, Saturday 21 and Sunday 22 August, mass vaccination centres will once again offer walk-in first jabs for all age groups, aged 16 and over, to give people even more opportunities to get vaccinated against COVID-19. That’s on top of ongoing vaccinations at mobile clinics and participating community pharmacies.Great opportunity to get the vaccine before starting back to school, college or university!