Preliminary guidelines for the surveillance of microcephaly in newborns in settings with risk of Zika virus circulation
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These preliminary recommendations were prepared by the PAHO/WHO team, with expert advice and based on currently available data and evidence. This document may be revised and updated in the light of new evidence that may become available.
Table of contents
I. Rationale II. Epidemiological background III. Proposed objectives for surveillance of microcephaly IV. General recommendations on surveillance of microcephaly V. Case definition of microcephaly VI. Bibliography VII. Annexes Annex 1. Technique for measuring head circumference Annex 2. Proposed microcephaly surveillance form Annex 3. Growth curves for newborns (full term and preterm)