What if the smallpox vaccine had not been invented? – Part 3
5(c) Clear proof that isolation was the remedy There are a number of proofs (apart from Haygarth’s experiment and Leicester) that it was isolation, not ring vaccination, that eradicated smallpox. First, we know from the experience of the hospital in Meschede that vaccinating contacts after failure of isolation, i.e. after they have been exposed, can’t…