infectious diseases
Influenza Vaccine
Preparations of Influenza Vaccine
There are 2 basic types ofinfluenza virus vaccine: Inactivated influenza vaccine (IIV) Live-attenuated influenza vaccine (LAIV) Trivalent vaccines are gradually being superseded by quadrivalent vaccines that cover an additional B virus strain. A quadrivalent recombinant influenza vaccine (RIV4) and a cell culture–based vaccine (ccIIV4) that do not contain egg protein are available. High-dose quadrivalent vaccines are available for patients ≥ 65 years of age. (See alsoCDC: Different Types of Flu Vaccines.) 