The State Commissioner for Health, Dr Afam Obidike, made the disclosure in Awka, on Thursday.
Obidike said the state had been on the alert following the report of the disease across some states in the country.
He said the state emergency preparedness and response team had put relevant surveillance measures in place towards ending the spread of the outbreak.
He said the state government had commenced the training of health personnel and response officers on enhanced active case search, sample collections and monkeypox management, as well as intensify public awareness.
He said, ”Few weeks ago, two suspected cases of monkeypox were reported in Anambra East, Onitsha and Oyi Local Government Areas, out of which the case from Anambra East LGA was confirmed positive.
“The person is currently at the Isolation Centre of the Nnamdi Azikiwe University Teaching Hospital, Nnewi, where he is receiving treatment and recovering.
“Because of the latest development, the governor had immediately declared the incident an outbreak and an emergency preparedness and response committee meeting was immediately convened on Wednesday.
“The meeting was attended by relevant stakeholders including World Health Organisation team and the United Nations International Children’s Emergency Fund. They are providing necessary assistance to the state.
“Planning for immediate response to the outbreak and surveillance, laboratory, case management, risk communication and community engagement, infection prevention and control and safe burial pillars, were activated.”
The commissioner advised residents not to panic but to report to the hospital for proper examination whenever they notice rashes on their skin.
“Once it is established at the hospital, the patient will be taken to our isolation centres for treatment. We have activated all our isolation centres in the state.
“We urge residents to remain calm and stay safe as we mitigate this outbreak of monkeypox in the state. We shall overcome again,” he said.
Also speaking, Anambra State Coordinator, WHO, Dr Adamu Abdulnasir, said the organisation would support the state in terms of outbreak response and surveillance and capacity building.
“Since we heard about the two suspected cases, WHO has supported in the areas of sample collection and taking the sample to the lab. When the results came out, we carried out contact tracing as well as case and risks management.
“In Nigeria so far, we have recorded 41 cases of monkeypox with one death. The government is taking proactive measure to tackle and sensitise people on how to prevent and protect themselves,” he said.