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1、Antibiotic-resistant Bacteria by: taylor in other words, the bacteria are “resistant“ and continue to multiply in the presence of therapeutic levels of an antibiotic.Why do bacteria become resistant to antibiotics?nAntibiotic resistance is a natural phenomenon. When an antibiotic is used, bacteria t
2、hat can resist that antibiotic have a greater chance of survival than those that are “susceptible.“ Susceptible bacteria are killed or inhibited by an antibiotic, resulting in a selective pressure for the survival of resistant strains of bacteria.Some resistance occurs without human action, as bacte
3、ria can produce and use antibiotics against other bacteria, leading to a low-level of natural selection for resistance to antibiotics. However, the current higher-levels of antibiotic-resistant bacteria are attributed to the overuse and abuse of antibiotics. In some countries and over the Internet,
4、antibiotics can be purchased without a doctors prescription. Patients sometimes take antibiotics unnecessarily, to treat viral illnesses like the common cold.Antibiotic-resistant Bacteria by: taylor in other words, the bacteria are “resistant“ and continue to multiply in the presence of therapeutic
5、levels of an antibiotic.Why do bacteria become resistant to antibiotics?nAntibiotic resistance is a natural phenomenon. When an antibiotic is used, bacteria that can resist that antibiotic have a greater chance of survival than those that are “susceptible.“ Susceptible bacteria are killed or inhibit
6、ed by an antibiotic, resulting in a selective pressure for the survival of resistant strains of bacteria.Some resistance occurs without human action, as bacteria can produce and use antibiotics against other bacteria, leading to a low-level of natural selection for resistance to antibiotics. However
7、, the current higher-levels of antibiotic-resistant bacteria are attributed to the overuse and abuse of antibiotics. In some countries and over the Internet, antibiotics can be purchased without a doctors prescription. Patients sometimes take antibiotics unnecessarily, to treat viral illnesses like the common cold.