What motivated Brianne Dressen to participate in the AstraZeneca COVID-19 vaccine trial, and what was her family's background regarding vaccines?

Brianne Dressen was motivated to participate in the AstraZeneca vaccine trial by her desire to help society and support her community in getting through the pandemic with minimal damage. Her family had a strong pro-science background - her children were fully vaccinated, and her husband is a PhD chemist. They had been "faithfully invested in helping society" and "following the science." Additionally, she was encouraged by friends who had successfully participated in the Moderna clinical trial without issues, which reinforced her confidence in contributing to the vaccine research effort.