This section aims to provide users of VMNIS with information on
different biochemical indicators for assessing the prevalence of
various vitamin and mineral deficiencies in populations. These
documents are a compilation of current WHO recommendations on
the topic from different sources. They summarize the currently
recognized cut-offs for defining deficiencies and severity of
deficiencies at the population level, and the chronology of
their establishment. The cut-offs included in these summaries
are essential for identifying populations most at risk of
deficiency and in need of intervention. They also permit both
the monitoring of trends of vitamin and mineral deficiencies and
the evaluation of the impact of interventions. Such assessments
allow for the measurement of progress towards international
goals of control and prevention of vitamin and mineral
deficiencies. - Haemoglobin concentrations for the diagnosis of
anaemia and assessment of severity - Serum ferritin
concentrations for the assessment of iron s