Table 3.

The ethical, legal, and social dimensions of Influenzanet national platforms (with research ethics approval of study).

National platform	Date of creation	Research ethics approval of study	Open and non-discriminative participation	Web-based information sheet	Informed e-consent	Ability to opt out from the study	Personal data protectiona
Belgium (Flanders)	2003	—b	✓	✓	—	✓	✓
Denmark	2013	—c	✓	✓	✓c	✓	✓
France	2012	✓	✓	✓	✓	✓	✓
Ireland	2013	✓	✓	✓	✓	✓	✓
Italy	2008	✓	✓	✓	✓	✓	✓
Portugal	2005	✓	✓	✓	✓	✓	✓
Spain	2012	✓d	✓	✓	✓d	✓	✓e
Sweden	2011	✓	—	✓	✓	✓	✓
Switzerlandf	2016	✓	✓	✓	✓	✓	✓
The Netherlands	2003	—	✓	✓	—g	✓	✓
United Kingdom	2009	✓	✓	✓	✓	✓	✓

^aData anonymization before processing and analysis.

^bNot applicable.

^cInflumeter, email communication, August 10, 2017-September 07, 2017.

^dGripeNet Spain, email communication, August 10, 2017.

^eInformation obtained from the Spanish national platform [44].

^fSwiss Influenzanet platform [45]. Grippenet Switzerland, email communication, September 12, 2017.

^gDe Grote Griepmeting The Netherlands, email communication, January 10, 2018.