https://api.elsevier.com/content/article/pii/S0264410X20309841doi:10.1016/j.vaccine.2020.07.0531-s2.0-S0264410X2030984110.1016/j.vaccine.2020.07.053S0264-410X(20)30984-1Low-dose influenza vaccine Grippol Quadrivalent with adjuvant Polyoxidonium induces a T helper-2 mediated humoral immune response and increases NK cell activity VaccineJournal0264410X2020-09-2929 September 20201trueFullfalseAuthorhttp://creativecommons.org/licenses/by-nc-nd/4.0/