| | | 2013 | 44 |
| | | 2011 | 29 |
| | Glennon, JPurper-Ouakil, DBakker, MZuddas, AHoekstra, PSchulze, UCastro-Fornieles, JSantosh, PJArango, CKölch, MCoghill, DFlamarique, IPenzol, MJWan, MMurray, MWong, ICKDanckaerts, MBonnot, OFalissard, BMasi, GFegert, JMVicari, SCarucci, SDittmann, RWBuitelaar, JKThe PERS, CONSORTIUM | 2014 | 35 |
| | | 2012 | 24 |
| | | 2011 | 28 |
| | Fulcher, IRBoley, EJGopaluni, AVarney, PFBarnhart, DAKulikowski, NMugunga, JCMurray, MLaw, MRHedt-Gauthier, BThe Cross-site COVID-19 Syndromic Surveillance Working GroupGrepin, KA | 2021 | 19 |