Science         
22 September 2017  Vol 357, Issue 6357
http://www.sciencemag.org/current.dtl

In Depth
Why is the flu vaccine so mediocre?
By Jon Cohen
Science22 Sep 2017 : 1222-1223 Restricted Access
The complex factors behind failure are coming into sharper focus.

Books et al.
The legacy of the Spanish flu
By Suzanne Shablovsky
Science22 Sep 2017 : 1245 Restricted Access
Nearly a century after it killed millions, a journalist reflects on how a pandemic changed the world