| 1 (24) | World Health Organization Switzerland | CHE |  |
| 2 (72) | Public Health England | GBR | |
| 3 (103) | Statens Serum Institut | DNK | |
| 4 (106) | Agence Nationale de la Securite Sanitaire de l'Alimentation, de l'Environnement et du Travail * | FRA | |
| 5 (121) | Institut National de la Sante et de la Recherche Medicale * | FRA | |
| 6 (141) | Instituto de Salud Carlos III * | ESP | |
| 7 (182) | Istituto Superiore di Sanita | ITA | |
| 8 (185) | Radboud University Nijmegen Medical Centre | NLD | |
| 9 (186) | Institut Pasteur de Paris * | FRA | |
| 10 (198) | Erasmus Medical Center | NLD | |
| 11 (204) | National Institute for Public Health and the Environment | NLD | |
| 12 (210) | Complejo Hospitalario Regional Reina Sofia | ESP | |
| 13 (259) | Leiden University Medical Center | NLD | |
| 14 (274) | Medical Research Council | GBR | |
| 15 (276) | Centro Nacional de Microbiologia | ESP | |
| 16 (277) | Assistance Publique Hopitaux de Paris * | FRA | |
| 16 (277) | Instituto Maimonides de Investigacion Biomedica de Cordoba | ESP | |
| 18 (308) | University Medical Center Utrecht | NLD | |
| 19 (336) | Hospital Clinic i Provincial de Barcelona | ESP | |
| 20 (460) | Centro de Investigacion Biomedica en Red de Epidemiologia y Salud Publica | ESP | |
| 21 (604) | Klinikum Ludwig Maximilians Universitat Munchen | DEU | |
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