Individuals with compromised immune systems, whether because of immunodeficiency or
immuno suppressive therapy, are among those most susceptible to COVID19. In fact, people …

The introduction of the 7-valent pneumococcal vaccine (PCV7) in Canada was very effective
in reducing invasive pneumococcal disease (IPD) in children; however, increases of non-…

As of February 2022, 27 different COVID-19 vaccines have been authorised by one or more
regulatory authorities for specific or widespread use. 1 Of these, eight vaccines have …

We describe the presenting features and long-term outcome of an unusual cluster of pediatric
acute flaccid paralysis cases that occurred in Canada during the 2014 enterovirus D68 …

Objective The purpose of this report is to provide a summary of the pertussis activity in Canada.
Methods A descriptive analysis of pertussis incidence by year, age group, gender and …

The National Advisory Committee on Immunization (NACI) provides medical, scientific, and
public health advice on the use of vaccines in Canada. This article describes the structure …

Background As of 2018, the rubella vaccine had been incorporated into the national
immunisation schedule of 168 countries, representing 87% of the world's population. Countries …

Background Respiratory syncytial virus (RSV) is a major cause of pneumonia and bronchiolitis
in children. Mortality rates in previously healthy children hospitalized with RSV are <0.5%…

HIV infection is a significant independent risk factor for severe coronavirus disease 2019 (COVID-19)
disease and death. We summarize COVID-19 vaccine responses in people with …

Background Since the widespread use of Haemophilus influenzae (Hi) type b (Hib) vaccines
among children aged <5 years, an increase in invasive non-Hib disease incidence has …