Vaccines — Open Access Journal
http://www.mdpi.com/journal/vaccines
(Accessed 9 May 2020)

Open Access Commentary
Pandemic Influenza Vaccines: What did We Learn from the 2009 Pandemic and are We Better Prepared Now?
by Steven Rockman , Karen Laurie and Ian Barr
Vaccines 2020, 8(2), 211; https://doi.org/10.3390/vaccines8020211 – 07 May 2020