Lagos state government on Saturday banned gatherings of more than 20 people to prevent the spread of the coronavirus.
The new order nullified the previous limit on gatherings of 50 people.
Lagos had already ordered schools closed for one month to stem the spread of the coronavirus amongst children.
On Saturday, Nigeria reported 10 new cases of coronavirus, bringing the total number of cases in the country to 22.
Overall, 16 of the 22 cases were confirmed in Lagos, three in Abuja, one in Ekiti and two in Ogun. One person has recovered so far.