A Brief History of Vaccines, Their Efficacy and Why These Ones Are Different
“To vaccinate or not to vaccinate, that is the question”, soliloquised Piglet, “since all vaccines are equal, but some vaccines are more equal than others” – poetic licence applied with apologies to William Shakespeare and George Orwell. Introduction Smallpox is a virulent infectious vesicular disease. Vesicular and pox in that it causes eruptions on the[…]