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Format: 04/16/2014
Format: 04/16/2014


KDKA-TV: Kids may need more than one dose of H1N1 vaccine

Thursday, November 5th, 2009

For groups at risk, how many immunizations against the H1N1 flu, do you need? 

It all depends on who you are.

There's new information on the effectiveness of the H1N1 vaccine for people in high-risk groups.

Government officials say three weeks after getting a single shot, 92 percent of pregnant women built up adequate immunity to their H1N1 flu. Pregnant women are at risk for complications and death from the illness.

"Since the beginning of the vaccine trial, they've been following particularly pregnant women to see what their immune response is, and how adequate their antibody are after immunization," explains Dr. Andrew Sahud, an infectious diseases specialist at Allegheny General Hospital.

Antibodies are immune system proteins that help to specifically fight the swine flu.

Clinical trials confirm children 10 and younger need two immunizations to build up a good immune response against the virus.


To read more, visit the KDKA-TV web site.

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