41.   The new anti-microbial soaps and cleaners made for household use also contribute to drug resistance by killing only weak bacteria.

42.   The problem is creating drug resistance in yet another bacterium and, as a result, reducing the effectiveness of yet another class of antibiotics.

43.   The problems of drug resistance and infections acquired in the hospital are related because many patients return home carrying resistant microbes that may be transmitted to others.

44.   The report was presented last week at a meeting in Italy on AIDS drug resistance.

45.   There are drugs to treat malaria, but some patients cannot afford them and drug resistance is an increasing problem.

46.   To Hecht, a major lesson of the case he reported is the increasing need to test patients for drug resistance before beginning therapy.

47.   Two other CDC studies found that drug resistance is cropping up as a problem in developing countries where the drugs are being tested in pilot programs.

48.   Using a single drug can lead quickly to drug resistance.

49.   When a person taking anti-HIV drugs develops drug resistance, the virus is no longer held in check.

50.   Bacteria can grow new generations in minutes, so they can evolve drug resistance very quickly.