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Table 1 Summary of the current state of knowledge of mother-to-child transmission of arboviruses

From: Arboviruses and pregnancy: are the threats visible or hidden?

 

Vertical transmission during pregnancy

Perinatal transmission

Breastfeeding

ZIKV

Documented in first, second trimester, and third trimester

rare

Not documented

DENV

Documented:

Low incidence

Documented

Not documented

CHIKV

Documented:

Low incidence

Documented with intrapartum viremia

Not documented

VEEV

Documented:

Rate unknown

No data

Not documented

OROV

No data

No data

No data

YFV

No data

Documented:

Rate unknown

Not documented

WNV

Documented rare

Suspected

Not documented

RVFV

Documented:

Unknown incidence

Documented: Rare

Not documented

JEV

Documented: Rare

Documented: Rare

No data

  1. Vertical transmission primarily refers to transmission during pregnancy, while perinatal transmission encompasses the period around the time of childbirth and may include labor, delivery, and breastfeeding
  2. CHIKV Chikungunya virus, DENV Dengue virus, JEV Japanese encephalitis virus, OROV Oropouche orthobunyavirus, RVFV Rift Valley fever virus, VEEV Venezuelan equine encephalitis virus, WNV West Nile virus, YFV Yellow fever virus, ZIKV Zika virus