1.   And there is no one who needs vaccines more desperately than the impoverished children of the developing world.

2.   A vaccine is desperately needed.

3.   He said stockpiles of drugs and vaccines were needed, along with plans and systems for quickly diagnosing diseases and treating huge numbers of victims.

4.   Henderson also said that if more vaccine were ever needed, manufacturers should have capacity to produce it within several weeks, not the months it would now take.

5.   In Africa they need a vaccine.

6.   Most of the people who need these vaccines live in developing countries where there is little money to buy them.

7.   Not knowing they needed the vaccines was the most common reason that study participants gave for not getting the shots.

8.   Sen. John Kerry, D-Mass., who is drafting similar legislation in the Senate, says incentives for firms to develop these vaccines are urgently needed.

9.   Smallpox vaccine is still needed at CDC for scientists who work with the virus.

10.   Some anthrax specialists spoke cautiously Tuesday about whether the vaccine is needed.

v. + vaccine >>共 190
develop 13.74%
make 8.55%
test 5.11%
receive 4.58%
use 4.49%
give 4.23%
produce 3.70%
take 3.26%
get 3.08%
administer 2.29%
need 1.50%
need + n. >>共 1266
help 4.02%
approval 3.29%
money 2.97%
surgery 1.77%
support 1.47%
time 1.37%
change 1.32%
treatment 1.20%
attention 1.06%
lot 0.97%
vaccine 0.07%
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