While the antibody response to SARS-CoV-2 has been extensively studied in blood,
relatively little is known about the antibody response in saliva and its relationship to systemic …

Respiratory syncytial virus (RSV) infection is a significant cause of hospitalization of children
in North America and one of the leading causes of death of infants less than 1 year of age …

Background In late spring 2009, concern was raised in Canada that prior vaccination with the
2008–09 trivalent inactivated influenza vaccine (TIV) was associated with increased risk of …

Most of the patients infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
mount a humoral immune response to the virus within a few weeks of infection, but the …

Background. The 2014–2015 influenza season was distinguished by an epidemic of
antigenically-drifted A(H3N2) viruses and vaccine components identical to 2013–2014. We report …

Objectives Antibody testing against severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2)
has been instrumental in detecting previous exposures and analyzing vaccine‐…

Background To date, no study has examined influenza vaccine effectiveness (IVE) against
laboratory-confirmed influenza-associated hospitalizations during pregnancy. Methods The …

Respiratory viral infections are associated with a wide range of acute syndromes and
infectious disease processes in children and adults worldwide. Many viruses are implicated in …

Background. The antigenic distance hypothesis (ADH) predicts that negative interference from
prior season’s influenza vaccine (v1) on the current season’s vaccine (v2) protection may …

Background: A resurgence of pertussis cases among both vaccinated and unvaccinated
people raises questions about vaccine effectiveness over time. Our objective was to study the …