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Vaccine. 1997 Oct;15(14):1518-22.

Antibody response to influenza immunization in patients after heart transplantation.

Author information

1
Department of Cardiology, Hadassah University Hospital, Jerusalem, Israel.

Abstract

The aim of this study was to evaluate post-heart transplantation (Htx) response to two-dose and three-dose influenza vaccine. Hemagglutination inhibition antibodies were monitored in HTx recipients immunized twice (n = 25) or three times (n = 17), and non-HTx controls (n = 8) once, with inactivated influenza vaccine. Post-first dose protective antibody titers (> or = 1:40) were demonstrated in 9/25 (36%) for A/Singapore/ (H1N1), 5/25 (20%) for A/Shanghai/(H3N2) and 2/25 (8%) for B/Yamagata compared with 4/8 (50%), 6/8 (75%) and 2/8 (25%), respectively, for controls. Post-second dose protective titers remained low, increasing following the third dose to 71%, 65% and 29%, respectively. The abnormally low antibody responses of HTx recipients to one-dose and two-dose influenza vaccine can be overcome by a third dose.

PMID:
9330462
DOI:
10.1016/s0264-410x(97)00193-x
[Indexed for MEDLINE]

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