Vitamin A deficiency and vitamin A fortification [2019]

	A	B	C	D	E	F	H	I	J	K	M
1	Country (data in this spreadsheet is nationally-representative, unless stated otherwise)	Year of most recent VAD survey	VAD prevalence among children aged 6-59 months in most recent survey	VAD prevalence severity level	Vitamin A biomarker used in survey	Were vitamin A biomarkers adjusted for inflammation in most recent survey?	Vitamin A-fortified foods	Year fortification began	Household or market-level survey of fortified foods implemented?	Results of survey of fortified foods	VAD prevalence among children aged 6 to 59 months, calculated using 2017 GBD data

2	Burkina Faso	N/A	N/A	N/A	N/A	N/A	Oil (mandatory)	2012	None found	N/A	31%
3	Cameroon	2009	35%	Severe	Retinol-binding protein	Yes	Oil (mandatory)	2011	None found	N/A	31%
4	Cameroon - cities of Yaoundé and Douala only	2012	27%	Severe	Retinol-binding protein	Yes	Oil (mandatory)	2011	Yes; 2012	44% of oil samples in surveyed households contained detectable levels of vitamin A	-
5	Côte d'Ivoire	2007	24%	Severe	Retinol-binding protein	Yes	Oil (mandatory)	2007	Yes; 2014 (city of Abidjan only)	98% of oil samples in surveyed markets were fortified with vitamin A	30%
6	Democratic Republic of the Congo	1998-99	61%	Severe	Serum retinol	No	None	N/A	N/A	N/A	33%
7	Guinea	N/A	N/A	N/A	N/A	N/A	Oil (mandatory)	2012	None found	N/A	28%
8	Kenya	2012	9%	Mild	Retinol-binding protein	Yes	Oil (mandatory); sugar (voluntary)	2012	None found	N/A	36%
9	Mali	N/A	N/A	N/A	N/A	N/A	Oil (voluntary)	Unclear	None found	N/A	31%
10	Niger	N/A	N/A	N/A	N/A	N/A	Oil (mandatory); sugar (mandatory)	Unclear	None found	N/A	32%
11	Nigeria	2001	30%	Severe	Serum retinol	No	Oil (mandatory); wheat flour (mandatory)	Oil: 2002; wheat flour: unclear	Yes; 2015 (Kano and Lagos states only)	7.6% of oil samples in surveyed households were fortified in Kano state, and 7.2% of oil samples were fortified in Lagos state. 22.7% of wheat flour samples in surveyed households were fortified in Kano state, and 5.4% were fortified in Lagos state.	25%
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