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Thought I might provide a quick update on interchangeability of vaccines.
As of right now, there is no data on the safety/efficacy of doing this. Studies in the UK are being conducted right now where the first dose was AZ and second dose is Pfizer/Moderna. As many are already aware, AZ is different vaccine technology than Pfizer/Moderna.
Here in BC, we are not pushing for/advocating for the mixing of any vaccines. If your first dose was AZ, we are keeping enough supply for your second dose. Anyone who received Pfizer/Moderna, the plan is to give you the same brand for your second dose. Interestingly though, other provinces have (preemptively?) approved mixing of vaccines for second dose. In BC, we are waiting on the results of the UK study and keeping it as a possibility for future doses. This should take a few weeks to find out.
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