31.   Flu vaccine is supposed to be refrigerated and shipped on dry ice.

32.   Flu vaccine fell into short supply this year when the four manufacturers licensed to make it had difficulties growing one of three flu strains.

33.   Flu vaccine will be late this fall and possibly in short supply because of production problems at four pharmaceutical companies across the country, federal health officials said Friday.

34.   Flu vaccines, which protect against predicted strains of flu, antiviral drugs, and rapid detection and diagnosis would also help.

35.   For MedImmune, the flu vaccine, which could win government approval as early as next year, could fill a gap in the product pipeline.

36.   Flu vaccine is made and sold by private companies.

37.   Getting a flu vaccine can often prevent the flu.

38.   --Government officials lacked the authority to enforce their own recommendations that high-risk Americans get the flu vaccine first.

39.   In the case of influenza, for example, such information could lead to better flu vaccines.

40.   In South Florida, where I live, the elderly almost outnumber the flying insects and the need for flu vaccine is tremendous.