摘要：Vaccinations are a medical success story. However, many individuals still experi-ence doubts, which challenge vaccine compliance. Online communities for parents are im-portant sources for the discussion about vaccination with similar others. They serve as so-cial support platforms, where parents exchange informational, emotional, and esteem support. Our study provides a structured overview of vaccine-related online discussions of parents. The content of the four most popular German online communities for parents (2012–2019) was obtained with web scraping. Structural topic models were used to char-acterize the exchanges about vaccination in 98,505 discussion posts. We identified 27 as-pects of the vaccination discussions, which were sorted into four general perspectives. The general vaccination debate perspective (6 aspects, 24% of all content) covered societal and public health debates. The specific vaccinations perspective (8 aspects, 16%) addressed vaccinations against specific diseases. Parents discussed various vaccine-related practical issues (7 aspects, 20%). The relationship and communication perspective (6 aspects, 19%) collected aspects concerned with community building. The findings highlighted the diver-sity of vaccine-related online discussions related to all types of social support. Investigating online exchanges can inform public health communicators as well as health professionals which parental support needs should be addressed more comprehensively.
关键词：Vaccination;vaccine-related discussions;social network platforms;online com-munities for parents;enacted social support;topic models;web scraping
