Most people in England have been naturally infected. Link to free download of my 2 textbooksUploaded 23-04-22http://159.69.48.3/https://www.ons.gov.uk/peoplepopulationandcommunity/healthandsocialcare/conditionsanddiseases/articles/coronaviruscovid19/latestinsights22 April 202227th April 2020 to 11th February 202270.7% in England are estimated to have had COVID-19The estimated percentage of the community population (those not in hospitals, care homes or other institutional settings)that had COVID-19 was: 70.7% of the population (38.5 million people) in England56.0% of the population (1.7 million people) in Wales72.2% of the population (1.3 million people) in Northern Ireland51.5% of the population (2.7 million people) in Scotland27 April 2020 to 11 February 2022 for England30 June 2020 to 11 February 2022 for Wales27 July 2020 to 11 February 2022 for Northern Ireland22 September 2020 to 11 February 2022 for ScotlandCoronavirus (COVID-19) Infection Survey technical article: Cumulative incidence of the number of people who have tested positive for COVID-19, UK: 22 April 2022https://www.ons.gov.uk/peoplepopulationandcommunity/healthandsocialcare/conditionsanddiseases/articles/coronaviruscovid19infectionsurveytechnicalarticlecumulativeincidenceofthenumberofpeoplewhohavetestedpositiveforcovid19uk/22april2022https://www.ons.gov.uk/peoplepopulationandcommunity/healthandsocialcare/conditionsanddiseases/bulletins/coronaviruscovid19infectionsurveycharacteristicsofpeopletestingpositiveforcovid19uk/30march2022#re-infections-with-covid-19-ukNumber of people who have had at least one episode of coronavirus27 April 2020 until 11 February 2022N = 535,116 people in the UKAged two years and over and were living in private householdsEach participant was regularly tested during the duration of their time in the study. Swabs were tested using polymerase chain reaction (PCR). We take all positive and negative tests in the survey and apply statistical modelling techniques to estimate the number of people who have had COVID-19 in the population, in each of the four UK nations for the duration of the survey.Daily prevalence and incidence estimatedIncidence estimated from prevalenceWe do this using both positive and negative swab resultsPositivity (prevalence) from "first infection" episodesa new positive test occurs 120 days or more after an individual's first positive test in the survey,and their most recent prior test result was negativeor, last positive test has been followed by four consecutive negative testsIncidence methodologyDuration of testing positive varies from personIncidence and duration can be used to give prevalenceReinfectionsWe retest the same people, regardless of whether they have symptoms, we can identify both infections and re-infections,and our data includes asymptomatic cases. Cambridge University modelling20th February 2020 to 10th February 2022https://www.mrc-bsu.cam.ac.uk/now-casting/nowcasting-and-forecasting-25th-february-2022/Estimates 40.2 million people had COVID-19 in England30% of all infections are re-infections.The risk of re-infection was approximately 10 times higher in the period when the Omicron variants were most common, compared with when the Delta variant was most common Learn more about your ad choices. Visit megaphone.fm/adchoices
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