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Marcus Sullivan's avatar

Another Canadian here! Just want to make sure I'm reading the timing right.

For the third shot, is it 5-6 months after the first dose, or after the second?

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I. C. Norcom's avatar

First dose. For reference, the phase 2 trial administered the second primary dose on the 21st day and a subsequent booster on day 189. Nevertheless, within 8 mo from the first dose is endorsed by WHO. In my opinion you have to make a personal risk assessment to guide your urgency. I opted for the shortest interval possible because of my exposure risk. Don’t let perfect be the enemy of good.

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Julie's avatar

Ok so if you received your first dose in July, second in September, you’d be ok to get the third in December? (3 months after the second/5 months after the first?)

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I. C. Norcom's avatar

If you’re attempting to replicate the interval used in the trial just count 168 days from the second dose.

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Julie's avatar

I’m not 100% sure on that part. I’m thinking after the second but would be good to have it verified.

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