Centers for Disease Control and Prevention - list of countries with active local transmission
Pan American Health Organization - situation reports
Pan American Health Organization - epidemic curves dataset AND a machine readable version: https://github.com/cmrivers/zika/blob/master/paho_epicurves.csv
World Health Organization - situation reports
European Centre for Disease Prevention and Control - situation reports
Centers for Disease Control and Prevention - United States data
National Center for Biotechnology Information - GenBank - sequence data
Virus Pathogen Resource - sequence data
University of Wisconsin-Madison - sequence and alignment data
Uniprot - unreviewed protein data
nextstrain - virus phylogeny
University of Wisconsin-Madison - viral shedding in rhesus macaques
Models of Infectious Disease Agent Study - various Zika-related reports
BuzzFeed - machine-readable data
Flutrackers - news and commentary
HealthMap - news and official reports