- Review
 
Emerging Influenza Strains in the Last Two Decades: A Threat of a New Pandemic?
- Claudia Trombetta,
 - Simona Piccirella,
 - Daniele Perini,
 - Otfried Kistner and
 - Emanuele Montomoli
 
In the last 20 years, novel non-seasonal influenza viruses have emerged, most of which have originated from birds. Despite their apparent inability to cause pandemics, with the exception of H1N1 swine influenza virus, these viruses still constitute a...

