( a ) On 31 December 2007 , Equatorial Guinea found that it had surpassed the targets set by the Abuja Declaration and Framework for Action for the Fight Against HIV/AIDS , Tuberculosis and Other Diseases of 2005 . On the island of Bioco and the province of Centro Sur in the mainland region of the country , 80 per cent of the population has , since 2004 , had protection against recurrent respiratory infections and has been provided with mosquito nets impregnated with insecticide ( these activities are being carried out in close cooperation with the World Health Organization ( WHO ) , the United Nations Children 's Fund ( UNICEF ) and the oil company Mobil Equatorial Guinea Incorporated ) .