1.   After that, the rate of new infections has no place to go but down.

2.   As this happens, the rate of new infections has to slow.

3.   At that point new infections can begin to rise again.

4.   In some parts of the world new infections are rising almost off the scale.

5.   In the hospital, I got new infections.

6.   In the mid nineties the rate of new infections began to level off in some heavily saturated nations.

7.   Now the rate of new infections drops dramatically along a mathematical curve almost the opposite of the one it initially rose upon.

8.   The move to care for people with mental health problems in the community presents new infection control challenges.

9.   Yet this strategy, too, runs the risk of increasing rather than Decreasing new infections.

10.   Also, greater use of condoms has reduced the rate of transmission, although new infections still occur, he said.

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%
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