Vaccine delays for Northern Ireland after AstraZeneca advice change Northern Ireland will face vaccine rollout delays for several weeks as UK advice regarding the use of AstraZeneca jabs has changed. The Joint Committee on Vaccination and Immunisation (JCVI) advised that people under 40 should be offered an alternative to AstraZeneca due to a link to rare blood clots. The Department of Health has said people aged under 40 in NI will be offered the Pfizer-BioNTech jab. Northern Ireland will face vaccine rollout delays for several weeks as UK advice regarding the use of AstraZeneca jabs has changed. Pic: REUTERS/Dado Ruvic/Illustration/File Photo