31.   It matched the new cases of flu turning up in the southern hemisphere, and producers were already making vaccine against it.

32.   Its American subsidiary, based in Cambridge, Mass., is to make the vaccine.

33.   Its manufacturer, Bioport, of Lansing, Mich., is not now making the vaccine because because its factory does not meet FDA requirements.

34.   King Pharmaceuticals said last month it would no longer make the vaccine.

35.   Like oral polio vaccines, the nose-spray flu vaccine is made of live but weakened flu viruses, Piedra said.

36.   Many vaccines are made by weakening a live virus.

37.   Monkey cells were routinely used to make polio vaccines then and now.

38.   No war threatened, the disease was rare and there was little profit in making vaccines that were not used widely.

39.   Now he is battling the military over whether soldiers should be informed about how vaccines are made and be allowed to reject them on moral grounds.

40.   One other hope is that a vaccine could be made with amino acids from the virus that are different from those found in beta cells.