| Influenza virus characterisation April 2013 Scientific Publication - May 2013 |
| Fortnightly influenza surveillance overview, 9 May 2013 Scientific Publication - May 2013 |
| Human infection with a novel avian influenza virus, A(H7N9) – China Scientific Publication - May 2013 |
| Communicable disease threats report, 28 April - 4 May 2013, week 18 Scientific Publication - May 2013 |
| Proposed interim case definition and case finding algorithm for reporting patients infected by the avian influenza A(H7N9) virus in EU/EEA Member States Scientific Publication - May 2013 |
| Weekly influenza surveillance overview, April 26, 2013 - Week 16 Scientific Publication - Apr 2013 |
| Communicable disease threats report, 21-27 April 2013, week 17 Scientific Publication - Apr 2013 |
| Diagnostic preparedness in Europe for detection of avian influenza A(H7N9) viruses Scientific Publication - Apr 2013 |
| Communicable disease threats report 14-20 April 2013, week 16 Scientific Publication - Apr 2013 |
| Weekly influenza surveillance overview, 19 April 2013 - Week 15 Scientific Publication - Apr 2013 |
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