I could understand. These surviving bacteria are often resistant as their medicine. The next time when I'm sick from the same antibiotic or the same drug group to kill the bacteria do not.
I can understand These surviving bacteria often develop resistance to infection. This time, when I get sick from the medicine or antibiotic to kill the bacteria do not.
I understand. The surviving bacteria these often develop their antimalarial drug resistance. This when I sick time from the same group in the original drugs or antibiotics to kill bacteria.