The GenBank entries for the French Polynesia genomes (KX447509 - KX447521) are curently listed in GenBank as unpublished. But I just found a paper describing them here:
Pettersson JH, Eldholm V, Seligman SJ, Lundkvist Å, Falconar AK, Gaunt MW,
Musso D, Nougairède A, Charrel R, Gould EA, de Lamballerie X.
How Did Zika Virus Emerge in the Pacific Islands and Latin America?
MBio. 2016 Oct 11;7(5). pii: e01239-16. doi: 10.1128/mBio.01239-16.
PubMed PMID: 27729507; PubMed Central PMCID: PMC5061869.
The analyses in this paper are pretty nice, and they agree with Oliver’s assessment of the data.