In addition, isolated tribes may lack immunity to common diseases, which can kill a large percentage of their people after contact.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: In addition, isolated tribes may lack immunity to common diseases, which can kill a large percentage of their people after contact. ### Response: .