https://twitter.com/JamesOKeefeIII/status/1361827707152171008?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E1361827707152171008%7Ctwgr%5E%7Ctwcon%5Es1_&ref_url=https%3A%2F%2Fthepostmillennial.com%2Fproject-veritas-leak-shows-mark-zuckerberg-violating-code"But I do just want to make sure that I share some caution on this [vaccine] because we just don't know the long-term side effects of basically modifying people's DNA and RNA…basically the ability to produce those antibodies and whether that causes other mutations or other risks downstream."