Moderna coronavirus vaccine 'adds another string to our bow'

The video discusses the introduction of the Moderna vaccine as a third option alongside Pfizer and AstraZeneca. It compares the efficacy of these vaccines, noting that Moderna and Pfizer are similar, while AstraZeneca's efficacy is slightly lower due to different study parameters. The British Government's strategy of securing multiple vaccine sources is highlighted, ensuring supply amidst ongoing learning about vaccine effectiveness and safety. The Moderna vaccine, though similar to Pfizer, offers easier storage and transportation, contributing to the vaccine program's progress.

In what ways might the arrival of the Moderna vaccine impact the vaccination program?

What factors might affect the supply of the Moderna vaccine compared to AstraZeneca and Pfizer?