Flumist can only be given to healthy people, because it uses a live (deactivated) virus.

FORBES: Vaccinate Health Care Workers

Seven million doses of the inhaled Flumist vaccine have become available this week, a few weeks in advance of the injectable vaccine.

FORBES: Vaccinate Health Care Workers

Last year, Wyeth (nyse: WYE - news - people ) stopped making flu shots in favor of co-marketing FluMist.

FORBES: Chiron's Public Health Disaster

When FluMist sales failed to take off, Wyeth exited the partnership.

FORBES: Chiron's Public Health Disaster

Fluenz is a live attenuated - weakened - intranasal vaccine, which has been used for several years in the United States under the brand name FluMist.

BBC: Flu vaccines for all children

Goldstein is also waiting on the approval of FluMist, an inhalable flu vaccine the company is co-developing with MedImmune (nasdaq: MEDI - news - people ).

FORBES: Is Wyeth Getting An Easy Pass?

MedImmune (nasdaq: MEDI - news - people ), a biotech that sells a flu vaccine called FluMist that is given as a nose spray, can probably provide less than 2 million doses.

FORBES: Chiron's Public Health Disaster