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 is the expected duration of vaccine antibodies according to the discussion?

• A few months

• A few weeks

• A reasonable period, similar to natural infection

• Indefinitely

What are the components of the immune response mentioned in the video?

• Only antibodies

• Antibodies and T cells

• Only T cells

• Antibodies, T cells, and memory cells

Why might booster jabs be necessary in the autumn?

• To increase the number of antibodies

• To eliminate the need for future vaccinations

• To maintain high immunity levels over winter

• To reduce the number of vaccinations needed

What could be a reason for a second vaccination cycle?

• A change in government policy

• A new variant escaping current vaccines

• A reduction in public interest

• A decrease in vaccine production

What was the focus of the final section of the video?

• The effectiveness of vaccines

• The duration of antibodies

• Reflections on actions taken over the past year

• The role of T cells in immunity