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