What if the smallpox vaccine had not been invented? – Part 2
4. Imperfect isolation can’t eradicate smallpox The lack of laser-focus on isolation meant that many avoidable gaps remained in the way isolation was practiced. First, insufficient surveillance. Dr Charles Chapin noted in a 1912 textbook: “unrecognized cases … are so numerous that isolation of recognized cases often seems to be a complete failure”13. Without strong…