This brought the total of those who have died so far to 12, those who have recovered to 306 and the number of cases to 926.
There have been 335 new cases this month alone.
Among those who tested positive yesterday, one was from Japan and another from Sweden.
The bulk of those who recovered – 47- were from the Midlands while 32 were from Masvingo, 14 from Mashonaland East and seven from Manicaland.
Masvingo now has only two active cases out of the 608, while Harare has 206, Matebeleland South 129 and Bulawayo 125.
Of the 51 that tested positive in Bulawayo on Wednesday 21 were health workers.
There are now 12.4 million cases globally including 557 500 deaths, 7.2 million recoveries and 4.6 million active cases.