抗生素抗药性是如何产生的？

1． 大量病菌，其中一部分有耐药性。

2． 抗生素杀死了造成疾病的细菌，也杀死了保护身体免收感染的有益细菌。

3． 有抗药性的细菌得以生长并大量繁殖。

4． 有些细菌将其抗药性传给其他细菌，造成了更多问题。

How Antibiotic Resistance Happens

1. Lots of germs. A few are drug resistant.

2. Antibiotics kill bacteria causing the illness as well as good bacteria protecting the body from infection.

3. The drug-resistant bacteria are now allowed to grow and take over.

4. Some bacteria give their drug-resistance to other bacteria, causing more problems.