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Influenza Vaccine Study

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Functional Consequences of T-bet Expression in Flu-specific Memory B Cells After Live Attenuated Influenza Vaccine (LAIV)

As yet the investigators do not understand if there are biomarkers of immune protection after the Flumist or Live Attenuated Flu Vaccine (LAIV). Here the investigators test the hypothesis that the T-bet expressing fraction of flu-specific B cells after live attenuated influenza vaccination also serves as an early biomarker of long-lived antibody responses after vaccination. In this study the investigators will be providing the LAIV to up to 10 healthy subjects and assaying their immune response and then providing the intramuscular influenza vaccination and testing to see if the immune protection after the LAIV also protects after the intramuscular influenza vaccination.

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No pharmaceutical medication involved common.study.methods.has-drugs-no
Patients and healthy individuals accepted common.study.methods.is-healthy-no

Biological - Treatment Group Live Attenuated Flu Vaccine (LAIV)

We will administer LAIV once as a vaccine prime and IIV once as a vaccine boost with serial weekly blood draws for a month to validate a biomarker of LAIV efficacy.

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Functional Consequences of T-bet Expression in Flu-specific Memory B Cells After Live Attenuated Influenza Vaccine (LAIV)

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NCT04080245

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dBBZNd