CLEAN : Surge testing introduced in west London after Indian variant detected

The speaker discusses the current situation in the country, expressing hope and a sense of control despite weekly changes. They are not overly worried due to the ongoing vaccination process in the UK. However, they express uncertainty about the future and have decided not to book any holidays this year due to the unpredictable nature of the situation.

What does the speaker mean by 'living week by week'?

What is the speaker's attitude towards uncertainty in the coming weeks?