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Houstonians Help Test Swine Flu Vaccine

Clinical trials for swine flu vaccine are under way here in Houston. Researchers at Baylor College of Medicine have already started testing a vaccine in adults and are about to begin pediatric clinical trials. Laurie Johnson has more.

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Volunteers for the H1N1 vaccine test are one full week into the study. The clinical trials are necessary to determine how much of the vaccine should be in a standard dose. Dr. Paul Glezen is a professor of molecular virology at Baylor College of Medicine.

“The main thing is to look at the difference between one and two doses of the vaccine and to see if we can administer the seasonal vaccine with the pandemic H1N1 vaccine. As you know, they’re two different vaccines.”

Scientists are testing the vaccine in 200 adults. Glezen says they have plenty of volunteers between the ages of 18 and 64, but they still need more participants 65 and older.

“There may be differences by age because some preliminary data from CDC shows that older people, particularly over 40 or even older, may have pre-existing antibodies to this virus which means that they’ve had experience with a virus similar maybe 40 years ago or something.”

That means people who have previous exposure to a similar virus might only need one dose of the vaccine compared to those with no exposure who might need two. The next phase of the trials begins later this week when researchers begin testing the vaccine on children. They hope to have results ready in time to produce a vaccine for the public by the end of the year.

Laurie Johnson. KUHF-Houston Public Radio News.

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Laurie Johnson-Ramirez

Laurie Johnson-Ramirez

News Director

Laurie Johnson-Ramirez leads news coverage for Houston Public Media across broadcast and digital platforms. Ramirez is a native Houstonian who started her career at Houston Public Media in 2002. Before becoming News Director, Ramirez held the position of Executive Producer for Daily News, leading daily and breaking news coverage, helping...

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