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Table 2 Susceptible spatial units with a high chance of cryptic ZIKV spread during 2015–2016 (refer to Additional File 8: Table S3 for the list of first-level country subdivisions belonging to each susceptible spatial unit)

From: Mapping the cryptic spread of the 2015–2016 global Zika virus epidemic

Country Spatial unit name Estimated probability (\( \overline{\theta} \)) that no onward spread of ZIKV had occurred during 2015–2016 Evidence of historical ZIKV circulation prior to 2015 (Y/N)
Angola Luanda* < 0.0001 Y [51]
Indonesia Banten* < 0.0001 Y [52]
India Maharashtra* < 0.0001 Y [53]
Nigeria Lagos* < 0.0001 Y [54]
China Taiwan* < 0.0001 N
China Guangdong* < 0.0001 N
India Karnataka 0.0002 N
India Tamil Nadu 0.0003 Y [53]
India Delhi 0.0004 N
USA Hawaii 0.0004 N
Senegal Dakar* 0.0004 Y [55]
Uruguay Canelones 0.0004 N
Réunion Réunion 0.0004 N
Australia Queensland 0.0005 N
Indonesia Bali 0.0007 N
Mozambique Maputo* 0.0007 Y [56]
Ghana Greater Accra 0.0018 N
Congo DRC Kinshasa* 0.0019 N
India Kerala 0.0050 N
Saudi Arabia Makkah 0.0115 N
India Goa 0.0130 N
India Telangana 0.0190 Y [53]
Congo Pool* 0.0281 N
Côte d’Ivoire Abidjan 0.0470 N§
  1. *\( \overline{\theta} \) remained lower than 0.05 even within the highly conservative scenario
  2. §There was evidence of historical ZIKV circulation prior to 2015 in Côte d’Ivoire, but it was not clear whether any of the positive serum samples were collected from the Abidjan spatial unit or not