Influenza Express week 13 : 2011/03/27-2011/04/02

Influenza Express week 14 : 2011/04/03-2011/04/09

Influenza Express week 15 : 2011/04/10-2011/04/16

Influenza Express week 16 : 2011/04/17-2011/04/23

Influenza Express week 17 : 2011/04/24-2011/04/30

Influenza Express week 18 : 2011/05/01-2011/05/07

Influenza Express week 19 : 2011/05/08-2011/05/14

Influenza Express week 20 : 2011/05/15-2011/05/21