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Vaccine. 1998 May-Jun;16(9-10):1039-42.

Effects of influenza vaccination in HIV-infected adults: a double-blind, placebo-controlled trial.

Author information

1
Department of Internal Medicine (Infectious Diseases Division), Naval Medical Centre, San Diego, CA 92134-5000, USA.

Abstract

Annual influenza vaccine is recommended for persons with HIV infection. Recent reports indicate that immunizations may increase HIV replication in infected individuals. Forty-seven HIV-infected patients were randomized to influenza vaccine or saline placebo using a double blind study design. One month after vaccination, plasma HIV-1 RNA increased in the vaccinated but not placebo group (p = 0.029). At 3 months, CD4% dropped an average of 1.6 points in the vaccinated group compared to an increase of 0.1 points in the placebo group (p = 0.039). Patients on stable antiretroviral regimens had CD4% drop an average of 2.3 points in the vaccinated group at 3 months versus 0.1 points in the placebo group (p = 0.015). It is concluded that HIV-infected patients are at risk for increased HIV replication and decreases in CD4% following influenza vaccination. Since influenza has not been associated with significant morbidity in this population, further study of routine influenza vaccination for HIV-infected patients is warranted.

PMID:
9682356
DOI:
10.1016/s0264-410x(97)00275-2
[Indexed for MEDLINE]

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