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Clarification on WHO statement about COVID-19 vaccine interchangeability

The media has recently reported that a physician associated with the World Health Organization (WHO) suggested that the mixing of vaccines was a ‘dangerous trend’. This was not an official statement by the World Health Organization. The statement was made at a session unrelated to vaccine mixing and was taken out of context by news...


Second dose of COVID-19 Vaccination

NACI has provided updated recommendations on COVID-19 vaccine schedules. For those who have received a first dose of an AstraZeneca vaccine, an mRNA vaccine is preferred for the second dose due to emerging evidence suggesting better immune response, and, to mitigate the risk of VITT(Vaccine-Induced Thrombotic Thrombocytopenia) from viral vector vaccines. HMC


Myocarditis Risk

Since May 2021, the Public Health Agency of Canada has been actively monitoring reports of myocarditis and pericarditis following vaccination with COVID-19 mRNA vaccines through passive and active Canadian safety surveillance systems. Available information from international reports, including those from Israel and the United States, indicated that: cases were more commonly reported after the second dose, and...