## Covid Alert Levels Steps Of Adjustment To Current Social Distancing Measures

We can help control the virus if we all stay alert

## Reducing The Spread Of Covid-19 (Uk)

We want to keep the R number below 1.0. 

R is the average number of additional people infected by each infected person.

Source: COVID-19 Infection Survey, Office for National Statistics. Scientific Advisory Group for Emergencies. Further details on data sources can be found here: https://www.ons.gov.uk/peoplepopulationandcommunity/healthandsocia

## Mobility (Uk) Google Mobility Data

Source: Google mobility data. Opinions and Lifestyle Survey, Office for National Statistics. Further details on data sources can be found here: https://www.gov.uk/government/collections/slides-and-datasets-toaccompany-coronavirus-press-conferences

## Opinions And Lifestyle Survey

24 April to 3 May 2020

## Testing And New Cases (Uk) Testing

Some people are tested more than once.

## Tests As Of 15 May 133,784 2,353,078 Tests In Total Confirmed Cases

Only includes cases tested positive. There are more cases than confirmed here.

3,560

## Cases Confirmed As Of 15 May

236,711

## Cases Confirmed In Total

Source: NHS England and devolved administrations. Further details on data sources can be found here: https://www.gov.uk/government/collections/slides-and-datasetsto-accompany-coronavirus-press-conferences

## Data From Hospitals

Source: NHS England and devolved administrations. Further details on data sources can be found here: https://www.gov.uk/government/collections/slides-and-datasetsto-accompany-coronavirus-press-conferences

## People In Hospital With Covid-19 (Uk)

10,731 people are in hospital with COVID-19, down from 12,298 this time last week.

Source: NHS England and devolved administrations. Further details on data sources can be found here: https://www.gov.uk/government/collections/slides-anddatasets-to-accompany-coronavirus-press-conferences

## Daily Covid-19 Deaths Confirmed With A Positive Test (Uk)

The numbers presented here from the Department for Health and Social Care relate to deaths where COVID-19 was confirmed with a positive test.

Weekly registered deaths from the Office for National Statistics include cases where COVID-19 is mentioned on the death certificate but was not confirmed with a test. On 1st May, ONS reported 36,591 cumulative registered deaths from COVID-19. This was 9,082 more than the DHSC figure for the same date.

Source: DHSC, sourced from NHSE, PHE, devolved administrations. Further details on data sources can be found here: https://www.gov.uk/government/collections/slides-and-datasets-toaccompany-coronavirus-press-conferences

## Annex: Statistical Notes

Reducing the Spread of Covid-19 (UK)
COVID-19 Infection Survey: The Office for National Statistics (ONS) is initially conducting a pilot survey with 10,000 households in England. The sample size is currently increasing to this level. All individuals aged two years and over in sampled households were invited to provide samples for testing. This means approximately 25,000 people will be involved in the pilot study. Following completion of the pilot survey, the full survey will expand the size of the sample over the next 12 months and look to cover people across all four UK nations. This study addresses an important clinical priority: finding out how many people across the UK have a COVID-19 infection at a given point in time, or at least test positive for it, either with or without symptoms; how many new cases have occurred in a given time period; and how many people are ever likely to have had the infection. It will also enable estimates of the rate of transmission of the infection, often referred to as 'R'. ONS have published further information on the strengths and limitations of the estimates. Current R: R is not usually a useful measure on its own and needs to be considered alongside the number of new cases. R is the average number of secondary cases directly generated by an individual case. The R number does not estimate how many people are currently infected. R is estimated from multiple data sources, including ICU/hospital admissions, ONS/CQC death figures, behavioural contact surveys, and others.

Social distancing Google Mobility (UK): Changes for each day are compared to a baseline value for that day of the week. The baseline is the median value, for the corresponding day of the week, during the 5-week period Jan 3-Feb 6, 2020. Insights are calculated based on data from a subset of users. As with all samples, this may or may not represent the exact behavior of a wider population. Opinions and Lifestyle survey: Information on the survey can be found here. Permitted reasons for leaving home are key workers travelling to work; essential shopping; medical reasons; one form of daily exercise. Employed adults are those employed or self- employed; doing casual work for payment; or doing unpaid/voluntary work in the previous week. The 2019 estimate of people working from home is taken from the Annual Population Survey, and is not directly comparable to the Opinions and Lifestyle survey estimate. 

Testing and new cases (UK) 
Tests: The number of tests includes; (i) tests processed through our labs, and (ii) tests sent to individuals at home or to satellite testing locations. Cases: Cases are reported when lab tests are completed. This may be a few days after initial testing. Chart date corresponds to the date tests were reported as of the 24 hours before 9am that day. Only includes cases tested positive. There are more cases than confirmed here.

## Annex: Statistical Notes

Data from hospitals Estimated daily admissions with COVID-19 (England and Wales): England data captures people admitted to hospital in the last 24 hours who already had a confirmed COVID-19 status at point of admission, and those admitted within that 24 hour period with suspected COVID-19, who then test positive for COVID-19. Inpatients diagnosed with COVID-19 after admission are assumed to have been admitted on the day prior to their diagnosis. Welsh data shows the total number of people admitted to hospital with confirmed or suspected cases of COVID-19 in a 24 hour period. Critical care beds (UK): Different health systems collect this data differently. In England critical care beds count high dependency units / intensive therapy units beds as critical care beds and this includes the surge capacity which has been introduced in recent weeks. In Wales critical care beds are taken to be invasive ventilation beds including new surge capacity. In Scotland critical care beds include ICU beds and additional surge capacity. In Northern Ireland critical care beds includes all ICU beds. People in hospital with COVID-19 (UK) Community hospitals are included in figures for Wales from 23 April onwards. England and Scottish data includes 'confirmed' cases, Northern Ireland and Welsh data includes 'confirmed' and 'suspected' cases. Due to the way Northern Ireland report, the UK figure is calculated by taking the most recent day for Great Britain plus the previous day for Northern Ireland. National data may not be directly comparable as data about COVID-19 patients in hospitals is collected differently across nations. Daily COVID-19 deaths confirmed with a positive test (UK) Figures on deaths relate to those who have tested positive for COVID-19. The 7-day rolling average (mean) of daily deaths is plotted on the last day of each seven day period.