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The COVID-19 pandemic presented enormous data challenges in the United States. Policy makers, epidemiological modelers, and health researchers all require up-to-date data on the pandemic and relevant public behavior, ideally at fine spatial and temporal resolution. The COVIDcast API is our attempt to fill this need: Operational since April 2020, it provides open access to both traditional public health surveillance signals (cases, deaths, and hospitalizations) and many auxiliary indicators of COVID-19 activity, such as signals extracted from deidentified medical claims data, massive online surveys, cell phone mobility data, and internet search trends. These are available at a fine geographic resolution (mostly at the county level) and are updated daily. The COVIDcast API also tracks all revisions to historical data, allowing modelers to account for the frequent revisions and backfill that are common for many public health data sources. All of the data are available in a common format through the API and accompanying R and Python software packages. This paper describes the data sources and signals, and provides examples demonstrating that the auxiliary signals in the COVIDcast API present information relevant to tracking COVID activity, augmenting traditional public health reporting and empowering research and decision-making.

Objective: Experiencing a life of meaning is considered fundamental to "what makes life worth living," yet investigation of life meaning among persons with lived experiences of homelessness is lacking. This study seeks to understand life meaning among formerly homeless residents of permanent supportive housing through an examination of its association with social context. Method: Data were collected through interviews with 383 persons with experience of chronic homelessness who were provided permanent supportive housing (PSH). Recruitment of participants occurred through partnerships with 26 providers of PSH in Los Angeles County, California. Multivariate logistic regression models were employed to understand association of life meaning with hypothesized social contextual variables, controlling for demographic and background characteristics. Results: Community integration and sense of belonging were significantly and positively associated with life meaning, consistent with findings from previous research involving persons not identified as experiencing homelessness. Conclusions: Findings suggest opportunities for service providers to facilitate life meaning among residents of supportive housing. Specific attention to life meaning and its social context is consistent with the World Health Organization's position that well-being is a significant aspect of health. [ABSTRACT FROM AUTHOR]

People experiencing homelessness experience high rates of physical assault. While this high risk for victimization is well established, there is no research that examines whether victimization rates change over time as persons transition into permanent supportive housing (PSH). Data are from a longitudinal study of adults moving into PSH in the Los Angeles, CA area. Interviews were conducted prior to or within 5 days of moving in, with follow-up interviews at 3, 6, and 12 months after move-in (n = 370 participants completing all four interviews). Each interview assessed characteristics of past 3-month physical assault. Analyses examined change in rates of assault over time and differences by demographic subgroups. We also present findings on the most common locations and perpetrators of assault. Overall, rates of physical assault decreased after participants entered PSH. Statistically significant differences by subgroups varied by time point. Differences identified include higher rates of physical assault among Latino/a respondents, lower rates among African Americans, and higher rates of physical assault among lesbian, gay, bisexual, and transgender (LGBT) respondents. The most frequent location of assault was outside at baseline, 3- and 6-month time points. Strangers were the most common perpetrator at all time points. Rates of perpetration by neighbors nearly doubled from baseline to the 12-month time point, and inside locations for assault were most common at this time point as well. While PSH is an effective intervention in reducing chronic homelessness, it is important to consider other risks to overall health and well-being, such as physical victimization. [ABSTRACT FROM AUTHOR]