Southend, Rochford and other parts of Essex will enter Tier 3: Very High alert on Wednesday in a bid to curb the rising number of Covid cases.
Find out the coronavirus restrictions in your local area
Residents must not socialise indoors or in private gardens with people they do not live with, or who are not part of their support bubble.
Everyone who can work from home should continue to do so.
Retail, gyms and personal care facilities, such as hairdressers, will, however, remain open.
For further information on Tier 3: Very High alert, click here.
If you are a business, click here to find out what additional support is available to you.
Please continue to follow the rules to help slow the spread of the virus.