Bird flu resurfaces in Nigeria — Federal official

Avian Influenza, a highly contagious viral infection of birds, has resurfaced in Nigeria, the Director of Veterinary and Pest Control Services in the Federal Ministry of Agriculture and Rural Development, Abuja, Olaniran Alabi, has revealed. Mr Alabi disclosed this in a statement made available to us.

Avian Influenza, also known as bird flu, causes up to 100 per cent mortality in domestic chickens or turkeys. The disease is caused by a virus that belongs to the family Orthomyxoviridae.

It is mainly found in birds but under certain circumstances, infections can also occur in humans but the risk of transmission is considered low.

The transmission arises through direct or indirect contact between infected and susceptible birds due to the inhalation of the infected droplets released through saliva, faeces, and nasal secretions from infected birds.

Birds can also be infected through contact with a surface that is contaminated with virus from infected birds.

The infected birds develop symptoms such as fever, cough, sore throat, nausea, severe breathing problems, pneumonia, and acute respiratory distress syndrome (ARDS).

In recent years, there have been reported cases of avian influenza in the country. In February 2006, Nigeria became the first African country to record the deadly strain of avian influenza outbreak.

Also, the country was the first to report human cases of avian influenza in West Africa, a year after the first outbreak in poultry farms.

The only human case of avian influenza in Nigeria was detected in Lagos state in January 2007 and was officially reported in February of the same year, according to Lagos State Ministry of Health.

In January 2015, the resurgence of avian influenza was reported and confirmed on a commercial farm and in live bird markets in Kano and Lagos States, according to the Federal Ministry of Agriculture and Rural Development (FMARD).

As of January 2015, a total of 140,390 birds were associated with avian influenza with 22,573 (16 per cent) mortality recorded.

Since the resurgence of the virus reported in 2015, the viruses have circulated in the country and reported in 25 states out of the 36 and the Federal Capital Territory (FCT).

This has led to the death of an estimated 332, 488 birds so far, according to the Food and Agriculture Organisation (FAO).

In January 2019, an outbreak of highly pathogenic avian influenza was reported to have affected five to three weeks old layers in a backyard poultry farm in Bauchi state.

After confirmation of the virus, the epidemic spread to Plateau State where six outbreaks were confirmed in two local government areas of the state.

Again in December 2019, the disease occurred in a commercial farm in Bauchi, sick birds from the affected farm were dispatched in live bird markets but the disease was not reported to the state veterinary, according to FAO.

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