Of people with self-reported long COVID, 556,000 (31%) first had (or suspected they had) COVID-19 before Alpha became the main variant this figure was 249,000 (14%) in the Alpha period, 446,000 (25%) in the Delta period, and 438,000 (24%) in the Omicron period. Of people with self-reported long COVID, 382,000 (21%) first had (or suspected they had) COVID-19 less than 12 weeks previously, 1.3 million people (73%) at least 12 weeks previously, 791,000 (44%) at least one year previously and 235,000 (13%) at least two years previously.
![data used for res2dinv data used for res2dinv](https://www.codeproject.com/KB/reporting-services/SSRSMultiDataSourceDPE/DataSources_small.gif)
![data used for res2dinv data used for res2dinv](http://media.voog.com/0000/0038/0901/photos/res2m_dist.gif)
An estimated 1.8 million people living in private households in the UK (2.8% of the population) were experiencing self-reported long COVID (symptoms persisting for more than four weeks after the first suspected coronavirus (COVID-19) infection that were not explained by something else) as of 3 April 2022 (see Figure 1).