Europeans accidentally brought diseases to british columbia, why would Europeans purposely get sick, getting diseases that were deadly to Even Europeans in the first place is an unnecessary risk, Europeans brought diseases such as smallpox, influenza, tuberculosis and measles, which were deadly to even Europeans as a cure was not present for many of them, Many Europeans caught these diseases overseas otherwise they wouldn't have even embarked on such a dangerous trip if they were already sick and at risk to death, diseases were brought to indigenous people accidentally and we had no intention of killing them nor did we know that they didn’t have immunity to diseases.