Abstract
Morbidity and mortality due to seasonal and pandemic influenza could be reduced by simpler vaccination methods that enable improved vaccination coverage. In this study, solid metal microneedles coated with influenza virus-like particle (VLP) vaccine were inserted into skin for intradermal immunization. Microneedles were applied to the skin by hand and designed for simple administration with little or no training. Inclusion of trehalose in the coating formulation significantly increased vaccine stability during coating by maintaining hemagglutination activity. Mice vaccinated with stabilized microneedles developed strong antibody responses comparable to conventional intramuscular vaccination and were fully protected against subsequent viral challenge. Whereas, coating microneedles with a coating solution lacking trehalose led to only partial protection against lethal viral challenge. Therefore, our results show that microneedles coated with trehalose-stabilized VLP vaccine can be a promising tool for improving influenza vaccination.
| Original language | English |
|---|---|
| Pages (from-to) | 17-21 |
| Number of pages | 5 |
| Journal | Procedia in Vaccinology |
| Volume | 2 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 2010 |
Bibliographical note
Funding Information:The project described here was supported in part by NIH grants R01-EB006369 (M.R.P.), U01-AI0680003 (R.W.C.), SERCEB (R.W.C) and the Georgia Research Alliance (S.M.K). We thank Dr. Vladimir Zarnitsyn for microneedle fabrication and Dr. Mark Allen for use of his laser microfabrication facilities.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
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