Zika For Providers

Zika For Providers

Program Information

Local Case Counts

Currently, there is no mosquito-borne spread of the Zika virus in Alameda County or California, and all Zika cases that have been reported have been travel-associated or spread sexually. For the total number of cases in California by county, visit CDPH Case Numbers for Zika Virus in CA. 

Areas with Risk for Mosquito-Borne Zika Transmission

For information on areas of the world with risk of Zika transmission, please visit the CDC’s Areas with Zika page. 
 

Clinician Guidance

Pregnant Persons

  • Infection at any time during pregnancy and in the 8 weeks prior to conception can lead to Congenital Zika Syndrome.
  • Pregnant women should be encouraged not to travel to areas with a risk of Zika virus transmission
  • Currently, there is no evidence suggesting past Zika virus infection poses an increased risk of birth defects for subsequent pregnancies once the virus has completely cleared a woman’s body.
  • Although the Zika virus has been detected in breast milk, transmission of the Zika virus infection through breastfeeding has not been documented. CDC encourages mothers infected with Zika to continue breastfeeding. 

Testing

  • If in doubt about the appropriate testing route to use, physicians should contact the Alameda County Acute Communicable Disease section at acutecd@acgov.org or call (510) 267-3250