21.   At that point, one bite is all it takes to launch a new infection in another animal or human.

22.   At the same time the disease is becoming more prevalent among women of all races, who account for more than a quarter of new infections.

23.   Besides, you will not have enough of the left-over antibiotic to treat a new infection properly.

24.   A drop in new infections was noted especially among sex workers and their clients.

25.   A highly contagious disease, smallpox left those who survived it immune to new infection but often hideously scarred or blind.

26.   A new measure -- a direct count of new HIV infections -- is needed instead.

27.   But he added that there were new infections at smaller companies and reports of widespread damage in Eastern Europe.

28.   But health officials said that, as of Monday afternoon, no new infections had been reported anywhere in the United States.

29.   But in recent years, the rate of new infections has declined dramatically across the country, and new infections in sub-Saharan Africa may be stabilizing.

30.   But other doctors say the only logical explanation for the decrease in new infections among teen-agers is the mass education efforts by both the Government and relief groups.