Background Mathematical modelling of infectious diseases transmitted by the respiratory or
close-contact route (eg, pandemic influenza) is increasingly being used to determine the …

Despite decades of high vaccination coverage, pertussis has remained endemic and reemerged
as a public health problem in many countries in the past 2 decades. Waning of vaccine-…

Background Concern about both safety and efficacy has made the use of whole-cell pertussis
vaccines controversial. In some European countries, including Italy, the rate of vaccination …

Background On May 21, 1997, numerous cases of febrile gastrointestinal illness were
reported among the students and staff of two primary schools in northern Italy, all of whom had …

Background: A resurgence of pertussis has been observed in Canada, the United States
and Australia since the 1980s, but inconsistent data are currently available for Europe. The …

From August 2000 through January 2001, a large epidemic of Ebola hemorrhagic fever
occurred in Uganda, with 425 cases and 224 deaths. Starting from three laboratory-confirmed …

The epidemiological picture of hepatitis C virus (HCV) infection in the general population is
largely unknown, even in developed countries. The aim of this study was to estimate the …

Background. In 1992–1993, a randomized, double-blind, placebo-controlled clinical trial of
two 3-component acellular pertussis vaccines was started in 4 of Italy's 20 regions. During the …

PERTUSSIS IS INCREASING IN FREQUENCY among children too young to be vaccinated
and among adolescents and adults. This increase is due mainly to waning immunity among …

In 2009 the second cross-sectional web-based survey was undertaken by the Vaccine
European New Integrated Collaboration Effort (VENICE) project across 27 European Union (EU) …