• Matthew D Redelings, Jennifer Piron, Lisa V Smith, Amy Chan, Julia Heinzerling, Kathleen M Sanchez, Dalia Bedair, Mirna Ponce, and Tony Kuo.
• Los Angeles County Department of Public Health, Office of Health Assessment and Epidemiology, Los Angeles, CA, USA.
• Vaccine. 2012 Jan 5; 30 (2): 454-8.

ObjectiveThe Public Health Center Vaccine Survey (PHCVS) examines the knowledge, attitudes, and beliefs about seasonal influenza and H1N1 vaccinations in a largely low-income, urban, public health clinic population in Los Angeles County, USA.DesignA cross-sectional survey of vulnerable individuals at risk for severe influenza infection was conducted in one of the nation's largest local public health jurisdictions.SubjectsA total of 1541 clinic patients were recruited in the waiting rooms of five large public health centers in Los Angeles County from June to August, 2010.ResultsAmong prospective respondents who met eligibility criteria, 92% completed the survey. The majority was black or Latino and most were between the ages of 18 and 44 years. More than half were unemployed; two-thirds had no health insurance; and nearly one-half reported having a high school education or less. About one-fifth reported they had received the H1N1 vaccine during the previous flu season. In comparative analyses, negative beliefs about vaccine safety and efficacy were highly predictive of H1N1 vaccination. Blacks were less likely than non-black respondents to report receiving the H1N1 vaccine (OR=0.7, 95% CI=0.6-1.0). Blacks were also less likely than other respondents to agree that vaccines can prevent disease (OR=0.4, 95% CI=0.3-0.5), that vaccines are safe (OR=0.5, 95% CI=0.4-0.6), and that they trust doctors/clinicians who recommend vaccines (OR=0.5, 95% CI=0.4-0.7).ConclusionsStudy findings provide a useful risk profile of vulnerable groups in Los Angeles County, which may be generalizable to other urban jurisdictions in the United States. They also describe real world situations that can be used to forecast potential challenges that vaccine beliefs may pose to national as well as local influenza pandemic planning and response, especially for communities with limited access to these preventive services.Copyright © 2011 Elsevier Ltd. All rights reserved.

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