Vaccine Social Media Randomized Intervention Trial

Randomized Intervention Trial to Evaluate a Vaccine Social Media Website

This study will assess the effectiveness of social media website devoted to vaccines to change immunization knowledge, perceptions and behavior. If effective, this intervention will represent an innovative, low cost and broadly applicable resource to reduce parental vaccination concerns.

The study has two hypothesis:

1. Parents receiving usual care plus social media website will demonstrate higher early childhood immunization rates to parents receiving either usual plus non interactive website or usual care only.
2. Parents receiving usual care plus social media website will demonstrate positive changes in knowledge, attitudes and beliefs supporting vaccination compared to parents receiving either usual care plus non-interactive website or usual care only.

Participants will be enrolled in the study, stratified based on hesitancy and randomly assigned to 1 of 3 study arms and followed for 1-2 years.

Inclusion Criteria:

• Women >20 weeks Pregnant (including parents of children up to 1 year of age).
• >18 years of age

Exclusion Criteria:

• Non english speak
• Do not intend to use Kaiser insurance for the child