You are not paying attention. The single-dose versions that were targeted at administration to children explicitly do not. The nasal inhalation version that was targeted for pregnant women explicitly does not. The multi-dose vials are the ones that contain Thimerosal, and those are explicitly NOT for pregnant women nor young children.

http://www.cnn.com/2009/HEALTH/expert.q.a/11/02/h1n1.thimero...

You are incorrect: In the US, two 2009 H1N1 vaccines distributed in multi-dose vials were approved for children >= 6 months. See:

http://www.cdc.gov/h1n1flu/vaccination/dosage.htm#table1

This is correct. And we had it administered to our then 14mo old son. He's fine.

Hooray for meaningless anecdotes!

"Thimerosal, a mercury derivative, is not used in the manufacturing process for the single dose presentations; therefore these products contain no preservative. The multi-dose presentation contains thimerosal, added as a preservative; each 0.5 mL dose contains 24.5 mcg of mercury. " From: http://www.fda.gov/downloads/BiologicsBloodVaccines/Vaccines....