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Herd Immunity


  • Recruits Show Lower Immunity Levels to Measles, Mumps, Rubella
    The percentage of U.S. Air Force recruits with detectable immunity to measles, mumps and rubella was lower than found in previous nationwide samples and may be low enough for outbreaks to occur, according to a study, "Measles, Mumps, and Rubella Titers in Air Force ...More
    4 weeks ago Posted in News
  • Expert Says Herd Immunity is Threatened in Measles Outbreak
    Being a member of a vaccinated community has an important added benefit: preventing the spread of vaccine-preventable infectious diseases. The current concern over outbreaks of measles in the United States provides valuable lessons about how vaccinations are effective ...More
    May 6, 2015 Posted in News
  • Contagion in the Herd: How One Person Can Set Off a Measles Outbreak
    Americans may be victims of their own success when it comes to the eradication of infectious diseases and take their disease-free lives for granted, says Jorge Parada, MD, hospital epidemiologist and medical director of the infection prevention and control program at Loyola ...More
    February 2, 2015 Posted in News
  • Incomplete HPV Vaccination May Offer Some Protection
    Minority women who received the human papillomavirus (HPV) vaccine  even after becoming sexually active had lower rates of abnormal Pap test results than those who were never vaccinated. These findings appear in the journal Sexually Transmitted Diseases. Researchers ...More
    July 24, 2014 Posted in News
  • Haiti Can Quell Cholera Without Vaccinating Most People, Researchers Say
    Cholera could be contained in Haiti by vaccinating less than half the population, University of Florida researchers suggest in a paper published in the journal Scientific Reports. The work places UF’s Emerging Pathogens Institute in the pro-vaccination camp in an ongoing ...More
    January 10, 2013 Posted in News
  • Review Indicates Altruism's Influence on Parental Decision to Vaccinate Children is Unclear
    As outbreaks of preventable diseases such as whooping cough and measles increase in the United States, researchers from the Regenstrief Institute and Indiana University School of Medicine are investigating whether altruism, known to influence adults' decisions to immunize ...More
    September 11, 2012 Posted in News
  • Study Explores Medical Exemptions from School Vaccination Requirements Across States
    In states where medical exemptions from vaccination requirements for kindergarten students are easier to get, exemption rates are higher, potentially compromising herd immunity and posing a threat to children and others who truly should not be immunized because of ...More
    August 30, 2012 Posted in News
  • HPV Vaccine Reduces Infection, Even in Unvaccinated
    The HPV vaccine not only has resulted in a decrease in human papillomavirus infection in immunized teens but also in teens who were not immunized. The study is believed to be the first to show a substantial decrease in HPV infection in a community setting as well as herd ...More
    July 9, 2012 Posted in News
  • Planning for the Next Influenza Season
    The level of herd immunity before and after the first 2009 pandemic season is not precisely known, and predicting the shape of the next pandemic H1N1 season is a difficult challenge. Carrat, et al. (2010) conducted a modeling study based on data on medical visits for ...More
    October 22, 2010 Posted in News
  • Mumps Vaccine Coverage Should Be Improved, Study Finds
    Although immunity to mumps is high in the United States, mumps vaccine coverage must be maintained and improved to prevent future outbreaks, according to a new study. ...More
    August 24, 2010 Posted in News
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