The WHO Director-General Tedros Adhanom Ghebreyesus said the authorities of Uganda and the DRC were consulted before the declaration.
The commissioner advised residents to store food in rodent-proof containers.
She said the rise is driven mainly by unhealthy lifestyles and poor health-seeking behaviour.
The UNICEF, in collaboration with the Imo government and support from the Gates Foundation, has initiated efforts to strengthen maternal and child nutrition.
Ms Musa said the initiative was to educate the public on the dangers of period poverty.
The CEO of Gavi, Dr Sania Nishtar, said in its first 18 months, AVMA made remarkable progress.
A coalition of non-governmental organisations has called on the federal government to implement urgent sodium reduction measures in processed foods.
A medical expert, Ibrahim Abubakar, has advised Nigerian Muslims on pilgrimage to Saudi Arabia to consider their health status before embarking on the spiritual exercise.
He noted that 255 primary healthcare centres have been upgraded to Level 2 status.
The affected students complained of weakness and breathing difficulties after inhaling the substance.
