The range of abnormalities seen and the likely causal relationship with Zika virus infection suggest the presence of a new congenital syndrome.
The Zika virus public health emergency is distinct because of its long-term health consequences and social impact. A coordinated approach to data sharing, surveillance and research is needed. WHO has thus started coordinating efforts to define the congenital Zika virus syndrome and issues an open invitation to all partners to join in this effort.
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