>AstraZeneca has said that they’re aware of 15 events of deep vein thrombosis and 22 events pulmonary embolisms, but that’s in 17 million people who have had at least one shot – and they say that is indeed “much lower than would be expected to occur naturally in a general population of this size“. It also appears to be similar to what’s been seen with the other coronavirus vaccines, which rather than meaning “they’re all bad” looks like they’re all showing the same baseline signal of such events across a broad population, without adding to it.<p><a href="https://blogs.sciencemag.org/pipeline/archives/2021/03/16/what-is-going-on-with-the-astrazeneca-oxford-vaccine" rel="nofollow">https://blogs.sciencemag.org/pipeline/archives/2021/03/16/wh...</a>