The Noguchi Memorial Institute, the number represents a 28% positive rate for the samples of returning travellers into the country.
According to the Institute, the number represents a 28% positive rate for the samples collected between November 21 and 25, 2021, at the Kotoka International Airport.
This comes after the Director General of the Ghana Health Service, Dr Patrick Kuma-Aboagye announced Ghana's first cases of the Omicron variant in the country.
"There is the emergency of the new variant and I must say, through the robust testing at the Kotoka International Airport, Ghana has detected the Omicron variant already and the cases have come mainly from Nigeria and South Africa. The very first case that was detected during our sequencing was on the 21 of November," he told pressmen on Wednesday, December 1, 2021.
With no records of a community spread of the new variant in the country, the Noguchi Institution in a statement on its Twitter page noted that "these are the first imported cases of the new variant in Ghana".