Two experiments examined infants’ expectations about how an experimenter should distribute resources and rewards to other individuals. In Experiment 1, 19-month-olds expected an experimenter to divide two items equally, as opposed to unequally, between two individuals. The infants held no particular expectation when the individuals were replaced with inanimate objects, or when the experimenter simply removed covers in front of the individuals to reveal the items (instead of distributing them). In Experiment 2, 21-month-olds expected an experimenter to give a reward to each of two individuals when both had worked to complete an assigned chore, but not when one of the individuals had done all the work while the other played. The infants held this expectation only when the experimenter could determine through visual inspection who had worked and who had not. Together, these results provide converging evidence that infants in the 2nd year of life already possess context-sensitive expectations relevant to fairness.

Children are uniquely vulnerable to toxicant exposures in their environment, which can have long-lasting impacts on their health. Childcare providers are an important population to target for environmental health literacy, as most children in the United States under five years of age spend a significant number of waking hours in non-parental care. There is an increasing body of evidence that children are exposed to toxicants in the childcare environment, and yet little is known about what childcare providers know about environmental influences on the health of children in their care. We conducted semi-structured interviews with 36 home- and center-based Illinois childcare providers to better understand their knowledge, attitudes, and behaviors as they relate to environmental influences on children’s health. We found that the majority of providers had a low level of understanding of potential sources of exposure in the childcare environment, and they did not feel that environmental exposures posed a significant risk to children. Future efforts to increase environmental health literacy should focus on raising awareness and knowledge of environmental health issues for childcare providers before addressing ways that providers can reduce or prevent toxicant exposures to children in their care.

Transdisciplinary (TD) graduate training programs are growing in number, yet little is known about their effectiveness or the development of TD attitudes and behaviors among students over time. This prospective longitudinal mixed methods study compares graduate students participating in a federally funded TD training program with non-participating students from the same disciplines and degree programs (n = 26). The Interdisciplinary Perspectives Index (IPI) and Behavior Change Collaborative Activity Index (BCCAI) were used to assess TD attitudes and behaviors at beginning, middle, and end of an MPH/PhD program. Additionally, a multiple case-based approach was used to further analyze changes among the TD students at three time points (n = 10), including a novel sketch protocol to elicit TD student conceptualizations (mental maps) of TD teams. Four assessments were used to construct an overall TD orientation score. Wilcoxon Signed Rank Tests showed TD behaviors increased over time only among TD students, and favorable TD attitudes were high at baseline and did not change for any group. Generalized Estimating Equations showed that TD behaviors were higher among TD students than traditional students at both mid and endpoint, with no difference at baseline. Visual assessments showed TD students’ mental maps of TD research and team science, elicited under a novel sketch protocol, reflected greater integration and organization by endpoint. Two developmental patterns of increasing overall TD orientation emerged among the TD students. This article reports findings and insights applicable to TD graduate education and curriculum design and introduces a novel visual assessment tool.

Background: Vaccine uptake has declined since the coronavirus disease 2019 pandemic began. The pandemic changed people’s perception about vaccination due to factors such as increasing mistrust in government, spread of misinformation, fear of side effects, unclear communication, concerns about rushed vaccine development, and opposition to mandates infringing on personal choice. Understanding different perspectives on vaccine decision-making is crucial for informing effective approaches to communicating about vaccines. Case presentation: This study presents three cases with varying attitudes and behaviors about vaccination for coronavirus disease 2019, traditional childhood illnesses, and influenza influenced by different contexts and experiences. The cases span the continuum of vaccine hesitancy and uptake, from distrustful and resistant (Alexis, 56-year-old non-Hispanic White American female), through resentment for mandated uptake of the expedited coronavirus disease 2019 vaccine versus trust of long-standing preventive vaccines (Nia, 51-year-old non-Hispanic Black American female), to accepting and adopting (David, 38-year-old non-Hispanic White American male). These cases have similarities and differences across ten key “themes,” including vaccine attitudes; decision-making motivations; prioritizing family’s health; influence of past vaccination trauma on decision-making; significance of social support; the importance of information to guide decisions; (dis)trust in news, social media, and politicians; disappointment in humanity; future recommendations including respecting individual autonomy and providing the necessary information for individual decision-making; and openness to future vaccines. Conclusion: The long-term impact of the public health response—including vaccine mandates—and aftermath of stigmatization of people with differing and less socially desirable vaccine beliefs on vaccine uptake and health and medical service engagement remains unknown. By drawing on rich, nuanced information collected from individuals at a time of intense national dialogue around vaccines, these three case studies offer unique and novel insights into how the dialogue around vaccine uptake should evolve to meet the needs of different people. These findings have implications for broadly promoting public health engagement by hearing varied experiences and tailoring approaches to reach diverse groups of individuals. Findings from these cases provide insights and recommendations for tailoring future pandemic-related responses to audiences with similar beliefs and experiences as those presented in these cases.

Background: Severe acute respiratory syndrome coronavirus 2 reinfection prevalence is unknown. It is essential to understand reinfection symptoms and, importantly, the lived experience. Case presentation: Case study design is the best method for understanding this contemporary pandemic and rare occurrence of reinfections. A 19-year-old White Non-Hispanic woman presented with presumed severe acute respiratory syndrome coronavirus 2 reinfection 6 weeks after initially mild symptomatic infection and consistent repeat negative results. Real-time reverse-transcription polymerase chain reaction from saliva was used for detection. Twice-weekly saliva samples were collected (a) before initial infection, (b) resumed on day 10 after initial infection until reinfection was detected, and (c) resumed on day 10 post-reinfection. A 1.5-hour virtual interview was conducted, transcribed, and independently analyzed by two researchers. Four themes emerged: (1) perceived invincibility or inevitability and subsequent immunity increases risk of transmission via inconsistent preventive behaviors; (2) normalcy desires, trusted others, and implicit social pressures to not wear masks and distance increase one’s coronavirus disease 2019 risk; (3) physical symptoms are more severe with reinfection compared with first infection; and (4) mental health sequelae (trauma and stigma) are more severe and enduring than physical health outcomes. Conclusions: Unmasked social interactions contradicting public health recommendations were rationalized by social circle members with heavy reliance on feeling asymptomatic, lacking a positive test (testing negative or not testing), or attributing symptoms to allergies. Stigma of testing positive and consequences of not conforming to social group behaviors is overwhelming and creates pressure to take risks. This case study provides insights and lessons learned relevant for public health messaging and continued preventive behaviors.

A healthy diet in early childhood is an important contributor to ensuring lifelong health and in reducing risk for obesity. The child care environment is critical to supporting nutrition as a majority of young children less than 5 years of age are enrolled in out-of-home care. In order to better understand barriers to implementing and integrating nutrition best practices, we conduced focus groups with child care providers (n = 25) in Illinois. Providers from low-income communities, rural communities, and communities of color were prioritized. Focus group participants reported several challenges including the high cost of nutritious food, picky eating, and their perception that parents did not set good examples at home. Many providers identified the Child and Adult Care Food Program (CACFP) as a critical resource in helping them implement best practices. Providers discussed needing and wanting more training, more money for food, and more parental support. These results indicate support for additional resources and sustained training and technical assistance to address perceived challenges. The evidence of the importance of CACFP in helping providers engage in nutrition best practices indicates support for expansion and strengthening of the program.