Question

Survey of Coronavirus Infection
Locate the report ‘Coronavirus (COVID-19) Infection Survey pilot: England, 14 May 2020

(a) Who ran this survey?
(b) What is its purpose?
(c) What is the survey population?
(d) How was the sample selected? what is the achieved sample size?
(e) Why did the designers decide that ‘households cannot request to be part of the survey’?
(f) What key data were collected? (g) Why is it referred to as a ‘pilot survey’?
(h) The designers post-stratified their survey. What were the variables they used to define the post strata?
(i) What is the principal finding of the survey?
(j) Why do the designers state that they can’t estimate the current prevalence of COVID-19 (i.e. the proportion of people currently unwell)?

Answer 1

a) this survey is being delivered in partnership with the University of Oxford, the University of Manchester, public health England and wellcome trust.

b) it's purpose is to identify the percentage of population testing positive for COVID-19 or whether they have symptoms of corona positive or not.

c) it is estimated that during the two weeks from 27 april to 10 may 2020 an average of 148000 people in England had the coronavirus (COVID-19).

d)initially the survey conducted among the 10000 household in England, working with Oxford University, India to collect and analye the samples. The sample size currently increasing. Overall approximately 25000 people involved in this pilot survey. They intend the full survey to expand the size of the sample over the 12 months.