Publications by authors named "Laurie Elam-Evans"

Article Synopsis
  • A study evaluated HPV vaccination rates among U.S. adolescents born from 1999 to 2009, using data from a national survey between 2016 and 2022.
  • The findings showed significant improvement in vaccination rates before age 13, increasing from 27.0% to 69.8% for those born in 1999 and 2009, respectively, with overall coverage reaching 74.9% by age 17.
  • The analysis identified that preventive healthcare visits and insurance coverage correlate with higher vaccination rates, highlighting that missed opportunities could potentially raise coverage to 94.8%.
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Data from the National Immunization Survey-Child (NIS-Child) were analyzed to estimate coverage with childhood vaccines recommended by the Advisory Committee on Immunization Practices among U.S. children by age 24 months.

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Introduction: The Vaccines for Children (VFC) program was established in 1994 to provide recommended vaccines at no cost to eligible children and help ensure that all U.S. children are protected from life-threatening vaccine-preventable diseases.

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Based on safety and efficacy data, vaccinations are the best defense to protect persons and communities from serious vaccine-preventable diseases. The Advisory Committee on Immunization Practices recommends routine vaccination of adolescents aged 11-12 years with three vaccines including tetanus, diphtheria, and acellular pertussis vaccine; quadrivalent meningococcal conjugate vaccine; and human papillomavirus vaccine. CDC analyzed data from the 2023 National Immunization Survey-Teen for 16,658 adolescents aged 13-17 years (born during January 2005-December 2010) to assess vaccination coverage in 2023, recent trends in coverage by birth year, and trends in coverage by eligibility for the Vaccines for Children (VFC) program and birth year.

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Background: Vaccine hesitancy (VH) has been a major contributor to large outbreaks of vaccine-preventable diseases globally, including in the United States.

Methods: Data from the 2019-2022 National Immunization Surveys were analyzed to assess parental hesitancy toward routine vaccination of their children aged 6 months -17 years. Joinpoint regression was employed to investigate trends in VH from 2019 to 2022 nationally overall and among socio-demographic subgroups.

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Article Synopsis
  • - The National Immunization Survey-Child (NIS-Child) tracks vaccination rates for U.S. children aged 19-35 months to help local authorities plan and address low coverage areas.
  • - The study uses data from 2008-2018 to create county-level vaccination estimates, specifically for children born between 2007-2011 and 2012-2016, improving upon existing national data.
  • - It employs advanced statistical methods to combine direct vaccination estimates with demographic and health predictors, highlighting barriers to vaccination in small areas.
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National Immunization Survey-Child data collected in 2022 were combined with data from previous years to assemble birth cohorts and assess coverage with routine vaccines by age 24 months by birth cohort. Overall, vaccination coverage was similar among children born during 2019-2020 compared with children born during 2017-2018, except that coverage with both the birth dose of hepatitis B vaccine and ≥1 dose of hepatitis A vaccine increased. Coverage was generally higher among non-Hispanic White (White) children (2-21 percentage points higher than coverage for non-Hispanic Black or African American, Hispanic or Latino, and non-Hispanic American Indian/Alaska Native [AI/AN] children), children living at or above poverty (3.

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Three vaccines are routinely recommended for adolescents to prevent pertussis, meningococcal disease, and cancers caused by human papillomavirus (HPV). CDC analyzed data from the 2022 National Immunization Survey-Teen for 16,043 adolescents aged 13-17 years to assess vaccination coverage. Birth cohort analyses were conducted to assess trends in vaccination coverage by age 13 years (i.

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Introduction: Recent studies have indicated the coronavirus disease 2019 (COVID-19) pandemic has disrupted routine vaccinations. This study describes the prevalence and characteristics of children and adolescents experiencing disrupted routine vaccination and other medical visits in the United States between January and June 2021.

Methods: The National Immunization Surveys were the source of data for this cross-sectional analysis (n= 86,893).

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Article Synopsis
  • * A study analyzed data from over a million respondents to understand the relationship between healthcare discrimination experiences and COVID-19 vaccination status and intent, revealing notable disparities among different racial and ethnic groups.
  • * Notably, 10.7% of Black respondents reported discrimination in healthcare, which corresponded with a higher likelihood of being unvaccinated, indicating that improving healthcare equity could help reduce health disparities.
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COVID-19 vaccine booster doses are safe and maintain protection after receipt of a primary vaccination series and reduce the risk for serious COVID-19-related outcomes, including emergency department visits, hospitalization, and death (1,2). CDC recommended an updated (bivalent) booster for adolescents aged 12-17 years and adults aged ≥18 years on September 1, 2022 (3). The bivalent booster is formulated to protect against the Omicron BA.

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Millions of young children are vaccinated safely in the United States each year against a variety of potentially dangerous infectious diseases (1). The Advisory Committee on Immunization Practices (ACIP) recommends routine vaccination against 14 diseases during the first 24 months of life* (2). This report describes vaccination coverage by age 24 months using data from the National Immunization Survey-Child (NIS-Child).

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Some racial and ethnic groups are at increased risk for COVID-19 and associated hospitalization and death because of systemic and structural inequities contributing to higher prevalences of high-risk conditions and increased exposure (1). Vaccination is the most effective prevention intervention against COVID-19-related morbidity and mortality*; ensuring more equitable vaccine access is a public health priority. Differences in adult COVID-19 vaccination coverage by race and ethnicity have been previously reported (2,3), but similar information for children and adolescents is limited (4,5).

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Tracking vaccination coverage is a critical component of monitoring a vaccine program. Three different surveillance systems were used to examine trends in varicella vaccination coverage during the United States vaccination program: National Immunization Survey-Child, National Immunization Survey-Teen, and immunization information systems (IISs). The relationship of these trends to school requirements and disease decline was also examined.

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Article Synopsis
  • Many individuals with medical conditions face higher risks of severe illness from COVID-19, prompting a study on their vaccination rates in the U.S.
  • The study analyzed data from the National Immunization Survey, revealing that 81.8% of adults with medical conditions had received at least one vaccine dose, compared to 70.3% of those without conditions.
  • A key finding was that provider recommendations significantly influenced vaccination rates, highlighting the need for better access and confidence in obtaining the vaccine among unvaccinated individuals with medical issues.
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Article Synopsis
  • - The National Immunization Survey Adult COVID Module conducted a phone survey from April 2021 to January 2022 to assess COVID-19 vaccination rates, intentions, and attitudes among different racial and ethnic groups.
  • - Foreign-born individuals showed higher vaccination rates (80.9%) and lower hesitancy (6.0%) compared to US-born individuals (72.6% and 15.8%), but some specific national origins, like Haitians and Somalis, had significantly lower vaccination rates.
  • - Spanish-speaking respondents had lower overall vaccination coverage but expressed higher intent to get vaccinated, highlighting the need for targeted interventions that address cultural and language-specific barriers in communities with lower vaccination rates.
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Objective: To assess trends in recent human papillomavirus (HPV) vaccination initiation and factors associated with vaccination among adolescents.

Methods: The 2015 to 2020 National Immunization Survey-Teen data were used to assess vaccination trends. Multivariable logistic regression analysis were conducted to assess factors associated with vaccination.

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Some racial and ethnic minority groups have experienced disproportionately higher rates of COVID-19-related illness and mortality (1,2). Vaccination is highly effective in preventing severe COVID-19 illness and death (3), and equitable vaccination can reduce COVID-19-related disparities. CDC analyzed data from the National Immunization Survey Adult COVID Module (NIS-ACM), a random-digit-dialed cellular telephone survey of adults aged ≥18 years, to assess disparities in COVID-19 vaccination coverage by race and ethnicity among U.

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Lesbian, gay, bisexual, and transgender (LGBT) populations have higher prevalences of health conditions associated with severe COVID-19 illness compared with non-LGBT populations (1). The potential for low vaccine confidence and coverage among LGBT populations is of concern because these persons historically experience challenges accessing, trusting, and receiving health care services (2). Data on COVID-19 vaccination among LGBT persons are limited, in part because of the lack of routine data collection on sexual orientation and gender identity at the national and state levels.

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Immunization is a safe and cost-effective means of preventing illness in young children and interrupting disease transmission within the community.* The Advisory Committee on Immunization Practices (ACIP) recommends vaccination of children against 14 diseases during the first 24 months of life (1). CDC uses National Immunization Survey-Child (NIS-Child) data to monitor routine coverage with ACIP-recommended vaccines in the United States at the national, regional, state, territorial, and selected local levels.

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The Advisory Committee on Immunization Practices (ACIP) recommends that adolescents aged 11-12 years routinely receive tetanus, diphtheria, and acellular pertussis (Tdap); meningococcal conjugate (MenACWY); and human papillomavirus (HPV) vaccines. Catch-up vaccination is recommended for hepatitis B (HepB); hepatitis A (HepA); measles, mumps, and rubella (MMR); and varicella (VAR) vaccines for adolescents whose childhood vaccinations are not current. Adolescents are also recommended to receive a booster dose of MenACWY vaccine at age 16 years, and shared clinical decision-making is recommended for the serogroup B meningococcal vaccine (MenB) for persons aged 16-23 years (1).

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