A total of 47,114 cases had been confirmed in the city when the UK coronavirus daily dashboard was updated on March 11 (Friday), up from 46,996 on Thursday.
In England, Scotland and Northern Ireland, if one person tests positive for the virus more than 90 days after the first infection, two infection episodes will be recorded, says the UK Health Security Agency.
There were also two more coronavirus deaths recorded in the latest 24-hour period in Preston.
The dashboard shows 406 people had died in the area by March 11 (Friday) – up from 404 on Thursday.
The figures include anyone who died within 28 days of a positive test result for Covid-19.