... Hirabayashi Y, Kikuta K, Suzuki Y, Nagamine T,Aizawa C, Nakagawa M, Kurata T: Functional role of respiratorytract haemagglutinin-specific IgA antibodies in protection against influenza. Vaccine ... Hagiwara Y, Chen Z,Kadowaki SE, Tsujimoto H, Kurata T, Tamura SI: Induction of innate immunity by nasal influenza vaccine administered in combination with an adjuvant (cholera toxin). Vaccine ... parenterally vaccinated mice, particularly in upper airways. Intranasal vaccination engendered stronger protection and a higher proportion of G 2a Abs than parenteral vaccination, and the strength of protection...