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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


Second Dose COVID-19 Vaccine Type-Interchangeability, Updated on June3, 2021

NACI recommends that persons who received a first dose of the AstraZeneca/COVISHIELD vaccine may receive either AstraZeneca/COVISHIELD vaccine or an mRNA vaccine (Pfizer-BioNTech or Moderna) for their second dose, unless contraindicated. On June 1, the Public Health Agency of Canada released updated recommendations from the National Advisory Committee on Immunization (NACI) on the interchangeability of authorized...