The cumulative rate of infection in Mansfield, which covers the whole pandemic, stands at 30,196 cases per 100,000 people, higher than the England average of 28,502.
Cases in Ashfield rose by 44 in the last 24 hours to a total of 37,311, giving an infection rate of 29,073 cases per 100,000 people.
In Newark & Sherwood, cases rose by 49 to 33,719, an infection rate of 27,386, while postive tests in Bolsover district rose by just 24 to 23,109 and an infection rate of 28,423.
If one person tests positive for the virus more than 90 days after the first infection, two infection episodes will be recorded, according to the UK Health Security Agency.
Across the UK, the number of recorded cases increased by 43,753 over the period, to 19,029,321.
People with a positive lateral flow test no longer need to take a follow-up PCR test to confirm the result unless they have coronavirus symptoms.
One Covid-related death was recorded across the four districts in the latest 24-hour period.
The dashboard shows one person died in Ashfield, taking the death toll to 408 people.
The death tolls in Mansfield, Newark & Sherwood and Bolsover remain unchanged at 369, 272 and 251 respectively.
They are among 12,871 deaths recorded across the East Midlands.
The figures also show 60,479 people in Mansfield have received a booster or third does of a Covid-19 vaccine by Tuesday, March 1, 60 per cent of those aged 12 and over, based on the number of people on the National Immunisation Management Service database.
A total of 79,053 people, or 78 per cent, had received two jabs by that date.
In Ashfield, 71,770 people, 64 per cent, have received a booster, while in Newark & Sherwood, it is 74,901 people, or 66 per cent.
In Bolsover, 48,556 people, 67 per cent of those aged 12 and over, have received a third Covid jab.
Across England, 66 per cent of people aged 12 and above had received a booster.