41.   And such infections are on the rise, an ominous trend that scientists attribute to overuse of antibiotics in people and farm animals.

42.   And while depression is one cause, so are infections, head trauma, other injuries or emotional trauma.

43.   As a rule, malaria was most prevalent near the original river banks, while fungal and other skin infections were more common out in the country.

44.   Because HIV infections can be difficult to trace, transmission of syphilis has always been a marker of sexual responsibility.

45.   Because of the breadth and casualness of sexual networks here, an infection can be virtually impossible to track and control.

46.   A sinus infection was partly to blame, but Bryant said he felt much better last Friday.

47.   A throat culture is needed to establish a strep infection and, after treatment, another culture should be done to be sure the infection is gone.

48.   A. Most infections are mild and symptoms include fever, headache, and body aches, often with skin rash and swollen lymph glands.

49.   After scientists discovered the AIDS virus, for example, they could test samples kept frozen for many years to determine whether the infection was present in the past.

50.   Bronchial infection was the official story.