Immunogenicity of quadrivalent human papillomavirus vaccine among Alaska Native children aged 9-14 years at 5 years after vaccination.

Background: Persistent human papillomavirus (HPV) infection can cause anogenital and oropharyngeal cancers. Many HPV infections and HPV-associated cancers are vaccine-preventable. Studies suggest long-term persistence of vaccine-induced antibodies.

Impact of a prevention bundle on Clostridium difficile infection rates in a hospital in the Southeastern United States.

We sought to assess the impact of a multicomponent prevention program on hospital-acquired Clostridium difficile infections in a hospital in the Southeastern United States. We collected retrospective data of 140 patients from years 2009-2014 and applied the Poisson regression model for analysis. We did not find any significant associations of increased risk of Clostridium difficile infections for the preintervention group.

Pet Ownership and the Risk of Dying from Cardiovascular Disease Among Adults Without Major Chronic Medical Conditions.

Introduction: In a recent statement, the American Heart Association stated "There are scant data on pet ownership and survival in people without established cardiovascular disease (CVD)". This study sought to fill this gap.

Methods: We analyzed nationally representative data of 3964 adults aged ≥50 who were free from major physical illnesses.