61.   But the current vaccine is dangerous for those with AIDS, cancer and organ transplants.

62.   But the Pentagon and the Food and Drug Administration insist that the vaccine is both safe and effective.

63.   But the panel noted that if a vaccine was available, the antibiotic course could be ended after just a month if the patient was vaccinated immediately after exposure.

64.   But the vaccine is effective in reducing influenza-related hospitalizations and deaths among older adults.

65.   But these vaccines so far are either complicated to make, elicit only modest or weak immune responses, or are possibly dangerous.

66.   But those vaccines may not be ready for years.

67.   But Western military officials were shaken and wondered whether the U.S. anthrax vaccine was now obsolete, and whether the same was true of other vaccines in development.

68.   Cancer vaccines are a hot area of investigation, but none are in general use currently.

69.   Cherkassky asserted that the Russian vaccine was safe because the spores came from the weakened strain.

70.   Children with RSV are treated as if they had asthma, and no RSV vaccine is available.