Can HIB shots be mixed?

Mark Haynes Mark.Haynes at Mail.TJU.Edu
Wed Jan 31 15:14:49 EST 2001

this sounds more like a family medicine question.
um--does aventis own the french manufacturer?

LudwigC wrote:

> Hi
> We are new to the US. My son took his ACT-HIB shots when he was 5, 7 and 9
> months old. They were the same shots from the same vaccine manufacture
> "Pasteur Merieux MSD" from Lyon France. He should take his final HIB shot
> shortly. But we couldn't find the vaccine from the same manufacturer in the
> US. The US ACT-HIB vaccine is made by Aventis Pasteur in Lyon France. We
> heard that HIB shots should only be taken with the same brand for it to be
> effective because different manufactures use different formulas and
> compositions. But others say it is ok to mix brands. Even the pedestrians we
> asked said either way. We checked the two vaccines and found they had
> different compositions. We wonder if it is safe to give our son the US
> vaccine? Has anyone have this experience to share with us?

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