Dr. John Campbell | Mr. Bill Gates is Sad? But why? Natural immunity discussed by Mr. Bill Gates 2022-03-20 19:00:00 - Dr. John Campbell More Posts Artificial Immortality | Bina48 | Biotechnology Spitting Image | S02 | Episode 09 What Lives at the Bottom of the Mariana Trench? Large Orders | 10 Vaccine Doses for Every EU citizen? A Mysterious Cave on the Edge of the Great Pyramid of Egypt?