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BACKGROUND Nosocomial infections place a substantial burden on health care systems and represent one of the major issues in current public health, requiring notable efforts for its prevention. Understanding the dynamics of infection transmission in a hospital setting is essential for tailoring interventions and predicting the spread among individuals.(More)
The immunogenicity of a vaccine is conventionally measured through the level of serum Abs early after immunization, but to ensure protection specific Abs should be maintained long after primary vaccination. For hepatitis B, protective levels often decline over time, but breakthrough infections do not seem to occur. The aim of this study was to demonstrate(More)
We compared pertussis surveillance systems of 16 European countries in the period 1998-2002. In twelve out of sixteen countries the system covered the general population. Ten countries relied on WHO case definition for surveillance of pertussis. Eleven countries applied laboratory tests, and eight of them used PCR for case confirmation. The proportion of(More)
Twitter has the potential to be a timely and cost-effective source of data for syndromic surveillance. When speaking of an illness, Twitter users often report a combination of symptoms, rather than a suspected or final diagnosis, using naïve, everyday language. We developed a minimally trained algorithm that exploits the abundance of health-related web(More)
In 2005, in accordance with recommendations made by the European Medicines Agency, the Italian Drug Agency ordered withdrawal of the hexavalent Hexavac(®) vaccine (Sanofi Pasteur MSD) from the market. Concerns had been raised about the low immunogenicity of the hepatitis B virus component of the vaccine, assessed by measurement of serum antibody levels, and(More)
We reviewed the epidemiology of pertussis in Italy over the last 125 years to identify disease trends and factors that could have influenced these trends. We described mortality rates (1888-2012), case fatality rates (1925-2012), cumulative incidence rates (1925-2013) and age-specific incidence rates (1974-2013). We compared data from routine surveillance(More)
BACKGROUND People often search for information on influenza A(H1N1)v prevention on the web. The extent to which information found on the Internet is consistent with recommendations issued by the World Health Organization is unknown. METHODS We conducted a search for "swine flu" accessing 3 of the most popular search engines through different proxy servers(More)
We assessed the knowledge of Italian mothers of adolescent girls about HPV and HPV vaccination, their willingness to immunize their daughters, and their perception of the role of different medical specialists in the HPV immunization strategy by a telephone interview. Fifty-four percent of the 807 interviewed mothers reported to have ever heard about HPV,(More)
BACKGROUND Preconception counseling is effective in reducing the risk of adverse pregnancy outcomes. The Internet is commonly used by women and health professionals to search for health information. We compared the consistency of preconception information found on the Internet with the recommendations published by American Journal of Obstetrics and(More)