Sir Patrick Vallance speaks at daily coronavirus briefing

The video discusses the R number, which indicates the average number of people one infected person will pass a virus to. An R of three means rapid epidemic growth, while an R of one indicates a stable situation. The UK's current R is between 0.7 and 1, suggesting a declining epidemic. Key numbers to monitor include the R and total infections. The Office for National Statistics survey shows 0.25% of the population is infected, equating to about 137,000 people, with 61,000 new infections weekly. Lowering these numbers is crucial for easing restrictions and implementing test, trace, and contain systems.

What does an R number of 3 indicate in terms of epidemic growth?

• The epidemic is eradicated.

• The epidemic is stable.

• Each infected person infects three others on average.

• The epidemic is declining.

What is the current R number range in the UK, and what does it suggest about the epidemic?

• Below 0.5, suggesting rapid decline.

• Between 1.5 and 2, suggesting rapid growth.

• Between 0.7 and 1, suggesting stability or decline.

• Exactly 1, suggesting no change.

How many people were surveyed by the Office for National Statistics to determine infection rates?

• Less than 50,000 individuals.

• 214,500 individuals.

• Exactly 100,000 individuals.

• Over 500,000 individuals.

What percentage of people were found to be infected with COVID-19 according to the survey?

• 0.5%

• 0.25%

• 1%

• 2%

Approximately how many new infections occur weekly according to the survey?

• 30,000

• 10,000

• 61,000

• 100,000