Roughly 800,000 swine flu shots, which were distributed across the country last month, have been recalled because tests conducted by French drug company Sanofi Pasteur show the vaccine doses aren’t up to snuff.

Tests on the pre-filled syringes meant for young children indicated that the potency of the shots dropped after getting shipped out. Scientists are baffled as to what caused the decline in strength.

Read Are You Giving Your Kids the Swine Flu Vaccine?

"No action (is) necessary by a parent of a child who received this vaccine," Tom Skinner, a rep for the Centers for Disease Control and Prevention, said. "(The) only thing they need to do is make sure their child gets two doses if they're in the 6 month - 35 month age group, which is the group impacted by the recall." (Fox News)

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