Case-control studies are commonly used to evaluate effectiveness of licensed vaccines after
deployment in public health programs. Such studies can provide policy-relevant data on …

The case-control methodology is frequently used to evaluate vaccine effectiveness post-
licensure. The results of such studies provide important insight into the level of protection …

Background In this study we calculate the effectiveness of pneumococcal conjugate
vaccines (PCV) against invasive pneumococcal disease (IPD) among children under the …

Most of the current vaccination coverage monitoring in Latin America relies on aggregated
data. Improved monitoring has been shown to result in better coverage. Taking advantage of …

Background In 2008, a 7-valent pneumococcal conjugate vaccine (PCV7) was introduced
into the routine childhood immunization program in Uruguay, with a 2+ 1 schedule. In 2010 …

Streptococcus pneumoniae (pneumococcus) is the leading cause of morbidity and mortality
worldwide. Saudi Arabia is a host to millions of pilgrims who travel annually from all over the …

ABSTRACT In Latin America and the Caribbean, pneumococcus has been estimated to
cause 12,000-28,000 deaths, 182,000 hospitalizations, and 1.4 million clinic visits annually …

Background This systematic review aims to describe the prevalence, trends, and antibiotic
resistance of Streptococcus pneumoniae serotype 19A (Spn19A) that causes invasive and …

Introducción: El agente etiológico más frecuente de las infecciones osteoarticulares (IOA) es
Staphylococcus aureus. Luego de la introducción de nuevas vacunas la prevalencia de …

Introduction The heptavalent pneumococcal conjugate vaccine (PCV-7) was added to the
childhood routine vaccination program in the Community of Madrid in November of 2006 …