Original sentence: MDR-TB has a mortality rate comparable to lung cancer.People who have weakened immune systems (because of diseases such as HIV or because of drugs) are more susceptible to catching TB
Edited sentence: It must also be remembered that people who have weakened immune systems (because of diseases such as HIV or because of drugs) are more susceptible to catching TB.This should not be a cause for complacency: it must be remembered that MDR-TB has a mortality rate comparable to lung cancer