Queues at London vaccination centre

The transcript involves a brief discussion about the news, highlighting the importance of the first day, and concludes with an affirmation of agreement.

What is the context of the conversation in the transcript?

Why is the speaker mentioning 'the first day'?

What can be inferred about the speaker's attitude towards the news?

What does the speaker mean by 'Yeah, absolutely'?

How does the speaker's tone change throughout the conversation?