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<p class="Pa6"> Racism is a fundamental cause of racial and ethnic disparities in health outcomes. Researchers have a critical role to play in confronting racism by understanding it and intervening on its impact on the health and well-being of minority populations. This requires new paradigms and theoretical frameworks that are responsive to structural racism's present-day influence on health, health disparities, and research. To address the complexity with which racism influences both health and the production of knowl­edge about minority populations, the field must accelerate the professional develop­ment of researchers who are committed to eliminating racial and ethnic health disparities and achieving health equity. In this commentary, we describe a unique and vital training experience, the Public Health Critical Race Praxis Institute at the Univer­sity of Maryland's Center for Health Equity. Through this training institute, we have focused on the experiential knowledge of diverse researchers committed to examining racism and trained them on putting racism at the forefront of their research agendas. The Institute brought together investigators from across the United States, including junior and senior faculty as well as post­doctoral fellows. The public health critical race methodology was purposefully used to structure the Institute's curriculum, which instructed the scholars on Critical Race Theory as a framework in research. During a 2.5-day training in February 2014, scholars participated in activities, attended presenta­tions, joined in reflections, and interacted with Institute faculty. The scholars indi­cated a strong desire to focus on race and racism and adopt a Public Health Critical Race Praxis framework by utilizing Critical Race Theory in their research. <em></em></p><p class="Pa6"><em>Ethn Dis. </em>2018;28(Suppl 1):279-284; doi:10.18865/ed.28.S1.279.</p>

Objectives. To understand changes in how Facebook pages frame vaccine opposition. Methods. We categorized 204 Facebook pages expressing vaccine opposition, extracting public posts through November 20, 2019. We analyzed posts from October 2009 through October 2019 to examine if pages' content was coalescing. Results. Activity in pages promoting vaccine choice as a civil liberty increased in January 2015, April 2016, and January 2019 (t[76] = 11.33 [P < .001]; t[46] = 7.88 [P < .001]; and t[41] = 17.27 [P < .001], respectively). The 2019 increase was strongest in pages mentioning US states (t[41] = 19.06; P < .001). Discussion about vaccine safety decreased (r(s)[119] = −0.61; P < .001) while discussion about civil liberties increased (r(s)[119] = 0.33; Py < .001]). Page categories increasingly resembled one another (civil liberties: r(s)[119] = −0.50 [P < .001]; alternative medicine: r(s)[84] = −0.77 [P < .001]; conspiracy theories: r(s)[119] = −0.46 [P < .001]; morality: r(s)[106] = −0.65 [P < .001]; safety and efficacy: r(s)[119] = −0.46 [P < .001]). Conclusions. The "Disneyland" measles outbreak drew vaccine opposition into the political mainstream, followed by promotional campaigns conducted in pages framing vaccine refusal as a civil right. Political mobilization in state-focused pages followed in 2019. Public Health Implications. Policymakers should expect increasing attempts to alter state legislation associated with vaccine exemptions, potentially accompanied by fiercer lobbying from specific celebrities.