Context Children and adolescents appear to play an important role in the transmission of
influenza. Selectively vaccinating youngsters against influenza may interrupt virus transmission …

Objective—To explore the opinions of unpaid healthy volunteers on the payment of research
subjects. Design—Prospective cohort. Setting—Southern Alberta, Canada. Participants—…

PURPOSE: The cause of many cases of sudden cardiac arrest from pulseless electrical activity
is unknown. We hypothesized that pulmonary embolism was responsible for a substantial …

Background. Vitamin D may be important for immune function. Studies to date have shown
an inconsistent association between vitamin D and infection with respiratory viruses. The …

BACKGROUND: Uptake of influenza vaccination in Canada remains suboptimal despite
widespread public funding. To increase access, several provinces have implemented policies …

Background. Swine outbreaks of pandemic influenza A (pH1N1) suggest human introduction
of the virus into herds. This study investigates a pH1N1 outbreak occurring on a swine …

Methods The Conjoint Health Research Ethics Board at the University of Calgary approved
the study. Patients presenting to 1 of 4 subspecialty orthopedic knee surgeons at the …

Although the microneutralization (MN) assay has been shown to be more sensitive than the
hemagglutination inhibition (HAI) assay for the measurement of humoral immunity against …

Background. The nature of influenza viral shedding during naturally acquired infection is not
well understood. Methods. A cohort study was conducted in Hutterite colonies in Alberta, …

Background The purpose of this paper is to systematically review the literature on the relationship
between socioeconomic status (SES) and influenza immunization and to examine how …