Mr Mnangagwa has additionally postponed independence day festivities booked for 18 April and banned every open social occasion of in excess of 100 people.
The Zimbabwe International Trade Fair (ZITF) that was to occur in the south-western city of Bulawayo from 21-25 April has likewise been deferred.
The boycott will influence church social occasions, weddings and games for 60 days.
The president told a press preparation at his office in the capital, Harare, there would be no movement boycott. However, debilitated explorers from nations that had affirmed coronavirus cases from visiting Zimbabwe.
He also prompted Zimbabweans against movement abroad until the pandemic was leveled out.