At least 19 members of the Joint Health Sector Union (JOHESU) were involved in an accident along the Benin-Auchi road on Saturday.
The are reportedly staff of the University of Benin Teaching Hospital (UBTH) chapter of the union.
40 of the health workers were on their way to a function in Auchi, when the accident occurred.
The injured victims were subsequently rushed to the Otibho Okhai Hospital in Irrua, Edo state.
President of the association of resident doctors at Irrua Specialist Teaching Hospital, Esteem Tagar, confirmed no life was lost in the accident.
The union has been on strike since April 17.
The National Industrial Court in Abuja on Thursday, ordered the health workers to resume work within 24 hours, but JOHESU asked its members to continue with the strike.