31.   But public health experts here track new infections and high-risk behaviors more closely than in many cities.

32.   But the number of deaths will probably peak and then decline again, because of the decline in new infections, Seeff said.

33.   Diagnosis, though, can be a problem in cases of the new infection, called human granulocytic ehrlichiosis, or HGE.

34.   Four in five new infections were caused by needle-sharing among drug users, the deputy director, Inga Upmerce, said.

35.   Good intentions, mixed with fear, were behind the rapid descent of new HIV infections at the beginning of the AIDS epidemic.

36.   Half of all new HIV infections in the world are among youngsters.

37.   He expects that its going to take a combination of vaccines, much like researchers are now recommending combination drug treatment, to actually prevent new infections.

38.   He noted that close to three-quarters of all new HIV infections occur among injecting drug users, their sex partners or their children.

39.   He has already found evidence that caliciviruses, which can cause diarrhea, periodically re-emerge from the oceans, causing new infections.

40.   He said he expects its going to take a combination of vaccines, much like researchers are now recommending combination drug treatments, to actually prevent new infections.

a. + infection >>共 424
viral 12.19%
respiratory 9.08%
bacterial 8.52%
new 4.75%
serious 2.81%
staph 2.60%
intestinal 2.25%
fungal 2.22%
severe 2.01%
upper 1.87%
new + n. >>共 1218
government 2.04%
law 1.71%
rule 1.20%
technology 1.10%
company 0.99%
system 0.93%
product 0.92%
one 0.87%
job 0.82%
election 0.74%
infection 0.05%
每页显示:    共 136