Seven Humans Infected as Bird Flu Outbreak Confirmed in Kano, Bauchi, Five Others


The Nigeria Centre for Disease Control says that Kano, Plateau, Bauchi, Gombe, Nasarawa, Kaduna and Niger states have reported confirmed human cases of Avian Influenza H5N1 also called bird flu.

The NCDC Director-General, Dr. Chikwe Ihekweazu, made this known in an interview with the News Agency of Nigeria (NAN) on Tuesday in Abuja, while providing highlights of the epidemiological situation and response activities in Nigeria.

NAN reports that avian influenza are strains of the influenza virus that primarily infects birds, but can also infect humans.

This type of flu is most often contracted by contact with sick birds, and can also be passed from person to person. It spreads by airborne respiratory droplets (coughs or sneezes).

Symptoms begin within two to eight days, and are like the common flu. Cough, fever, sore throat, muscle aches, headache and shortness of breath may occur.

Ihekweazu said that as of March 24, 2021, the seven states had reported outbreaks of Highly Pathogenic Avian Influenza (HPAI) cases (H5N1) in poultries.

“Health National Rapid Response Team from NCDC and the Federal Ministry of Agriculture were deployed in Bauchi, Kano and Plateau states.

“A total of 83 human samples were received and 64 (87.7 per cent) samples were tested. Of the tested samples, seven (10.9 percent) were positive for Flu A, six (85.7 percent) were subtype A/H5, while one was unsub-typable,” he explained.

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The NCDC boss said that official notification about the outbreak had been conveyed to the World Health Organisation as required by the International Health Regulations.

He added that an official report had also been sent to the authorities at both the federal level and the affected states.

“Avian influenza outbreak Emergency Operations Centre at level one has been activated at national and in two states (Plateau and Gombe).

“Seven confirmed samples have been shipped to the WHO Collaborating Centre in the United States for further characterisation,” he noted.

Speaking on the response activities, Ihekweazu said a second session of Emergency Operations Centre had been conducted with a review of the outbreak situation, response Terms of Reference and Incident Actions Plan.

“Seven states — Kano, Plateau, Bauchi, Gombe, Kaduna, Nasarawa and Niger — have confirmed cases of avian influenza among poultry.

“Two states have reported seven cases among humans – Kano four and Plateau three. Only Kano, Plateau, Bauchi and Gombe states have had human contacts of birds followed up,” he said.

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According to him, of the 83 contacts reported, 27 contacts were from three Local Government Areas comprising Nasarawa, Ungogo and Gwale in Kano State.

The others are: 18 contacts from two LGAs (Jos North and South) in Plateau; 19 contacts from two LGAs (Bauchi and Toro) in Bauchi State; and 19 contacts from three LGAs (Kaltungo, Yamaltu Deba and Gombe) in Gombe State.

Ihekweazu stated that all contacts were farmers, farm workers, bird handlers and traders, adding that the contacts were still asymptomatic except for one individual who presented with catarrh.

“A total of 83 human nasopharyngeal/oropharyngeal samples have been collected from contacts of confirmed birds in four states — Kano (27), Plateau (18), Bauchi (19) and Gombe (19).

“A total of 13 blood samples have also been collected from the very-close contacts (human) of the birds in three states — Plateau (three), Bauchi (five), and Gombe (five).

“Of 83 human samples collected, 64 (87.7 per cent) samples were analysed using Real-time Reverse Transcription Polymerase Chain Reaction (RT-PCR). Of 64 samples analysed, only seven (10.9 per cent) were positive for Flu A.

“Of the seven samples positive for Flu A, only six (85.7 percent) were positive for A/H5, while one (14.3 percent) was unsubtypable. All seven positive samples have been shipped to WHO Coordinating Centre for further laboratory analysis,” he said.

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The NCDC chief noted that sensitisation was carried out by the national and state RRT to farm owners, workers, Live Bird Market (LBM) associations and communities in the affected states.

He added that biosecurity measures were extensively discussed for the benefit of the farmers and communities.

“Distribution of Social and Behavioural Change Communication materials to farm owners, workers, LBM associations and community leaders.

“List of items that facilitate safety in farms was shared with farmers, and sensitisation of workers on hygiene and regular wearing of PPE in the farm was carried out,” he said.

NAN, reports that Nigeria was the first country to report human cases of A/H5N1 in the West African Region one year after the first A(H5N1) outbreak in poultry was reported in the country.

The only human case of Avian Influenza in Nigeria was detected in Lagos State in January 2007.

It was officially reported on the 17th of February, 2007, and by the end of year 2006, 26 farms had been affected by Avian flu in Lagos State.



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