11.   Many villagers believe the vaccine will make their sons sterile.

12.   She noted that the new vaccine makes youngsters less likely to carry and spread the bacteria.

13.   She noted that the new vaccine makes youngsters less like to carry and spread the bacteria.

14.   Some illiterate villagers fear the vaccine will make their children sterile.

15.   The vaccine made headlines last year when scientists reported that it largely blocks the formation of protein deposits called amyloid plaques in the brains of mice.

16.   The vaccine makes the body produce blood proteins called antibodies that latch onto cocaine molecules.

17.   They contend that in areas where the risk of catching HIV is extremely high, an effective vaccine would make sense even if does carry a slight risk.