Boris Johnson speaking during coronavirus press briefing

The video addresses a question from Tim about the duration of vaccine antibodies and the need for prioritizing vulnerable groups for a second vaccination cycle. Experts discuss the antibody response to natural infection and vaccines, noting that antibodies last around six months, with other immune responses also playing a role. The potential need for booster jabs in autumn and considerations for variants are highlighted. The session concludes with a reflection on the past year by the Prime Minister and experts.

What has been reported about the duration of vaccine antibodies?

Why might vulnerable groups need to be prioritized for a second vaccination cycle?

What factors contribute to the overall immune response beyond antibodies?

What considerations are there for booster jabs in the autumn?

What could necessitate re-vaccination in the future?