Patrick Vallance speaking at Downing Street press briefing

The video discusses the detection of the South African variant and emphasizes that while cases exist globally, there is no evidence that these variants have a transmission advantage over the current UK variant. The importance of contact tracing and lockdowns in containing the spread is highlighted. The video concludes with recommendations to restrict new variant entries and continue monitoring existing cases.

What is the estimated upper limit of cases detected with the South African variant?

• 50

• 71

• 100

• 150

What is the key strategy mentioned for controlling the spread of COVID-19 variants?

• Social distancing

• Herd immunity

• Contact tracing

• Vaccination

What effect does the current lockdown have on the spread of COVID-19 variants?

• No effect

• Helps contain spread

• Increases spread

• Makes it worse

Do the South African and Brazilian variants have a transmission advantage over the current UK variant?

• Yes, but only in certain areas

• No, they have no advantage

• Yes, they spread faster

• No, they spread slower

What is crucial to prevent the spread of new COVID-19 variants?

• Stopping all testing

• Restricting entry of new variants

• Ignoring contact tracing

• Allowing free travel