Scientists track kids for 5 years to see if vaccines keep working
NCT ID NCT07338851
Summary
This study aims to see if protection from several important childhood vaccines lasts for five years. Researchers will check antibody levels in the blood of 600 Chinese children who received the vaccines five years ago. The goal is to understand how long-term immunity works for polio, measles, mumps, rubella, and hepatitis A.
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Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Chenggu County Center for Disease Control and Prevention
Hanzhong, Shaanxi, China
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Feixiang District Center for Disease Control and Prevention
Handan, Hebei, China
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Jiangyou Center for Disease Control and Prevention
Mianyang, Sichuan, China
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Sheyang County Center for Disease Control and Prevention
Yancheng, Jiangsu, China
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Si County Center for Disease Control and Prevention
Suzhou, Anhui, China
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Yanhu District Center for Disease Control and Prevention
Yuncheng, Shanxi, China
Contact Phone: •••-•••-•••• Email: •••••@•••••
Conditions
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