| abstract |
The subject of the present invention is to provide a microneedle array with good stability during the manufacture of influenza vaccines and a high utilization rate of influenza vaccines and a manufacturing method thereof. According to the present invention, a self-dissolving microneedle array is provided, which has a sheet portion and a plurality of needle portions existing on the upper surface of the sheet portion. The microneedle array contains sugars, influenza vaccines, and natural amino acids. Or its salt, surfactant, the flu vaccine is administered into the body by dissolving the needle. |