Quote:
Originally Posted by Velvet
I looked at the whole article but I can’t see anywhere the question I am looking for. Which is how much does the effectiveness of the phizer or moderna vaccine drop over time against the same variant? Somewhere I read about 6% decline each month or more after the 4 or 5th month of full immunization - I wish I saved the article. That way we could each individually estimate how safe we still might be after our vaccination.
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I found a graph in the full text version of the study.
At the bottom it shows rises in infection over time since vaccination. Pfizer (blue) rises more, especially toward the end. This could be vaccine effectiveness going down over time or less effectiveness against the Delta as it started to dominate.