What are quadrivalent influenza vaccines against H1N1 influenza (swine flu)?
Quadrivalent Flu Vaccine This vaccine was formulated on two different bases. 1. Egg-based Influenza Vaccine • A/Guangdong-Maonan/SWL1536/2019 (H1N1) pdm09-like virus • A/HongKong/2671/2019 (H3N2)-like virus • B/Washington/02/2019- like virus (B/Victoria lineage) • B/Phuket/3073/2013-like virus (B/Yamagata lineage) 2. Cell- or Recombinant-based Influenza Vaccine • A/Hawaii/70/2019 (H1N1) pdm09-like virus • A/HongKong/45/2019 (H3N2)-like virus • B/Washington/02/2019- like virus (B/Victoria lineage) • B/Phuket/3073/2013-like virus (B/Yamagata lineage)