Patrick Vallance COVID-19 press conference about Omicron

The video discusses the concern over a new variant due to its transmissibility and potential vaccine escape. It outlines three main strategies: limiting case entry from abroad, managing domestic spread through detection and contact tracing, and bolstering defenses with vaccines and antivirals. The current situation involves few cases, which require careful management to prevent further spread.

How should cases within the country be managed according to the text?

What is the importance of contact tracing in the context of the text?