21.   Donations from the international community have since resulted in more than seven million doses of vaccine available for the estimated eight million population.

22.   The authors of the study urged promotion and routine administration of the currently available pneumococcal vaccine for high-risk patients.

a. + vaccine >>共 287
new 12.03%
experimental 6.44%
effective 5.15%
oral 5.07%
current 2.49%
first 2.06%
such 1.98%
available 1.89%
human 1.37%
live 1.37%
available + n. >>共 1576
information 3.92%
option 2.31%
money 2.30%
space 1.92%
resource 1.84%
supply 1.35%
evidence 1.33%
job 1.25%
service 1.25%
datum 1.25%
vaccine 0.29%
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