Norovirus is a viral foodborne pathogen¹ that can cause foodborne disease. A publication by Scallan et al.² in 2011 estimated that 55 human foodborne botulism cases, including 9 deaths, occur annually in the US.

Key laboratories studying various aspects of foodborne norovirus in the US and Canada include:

Key laboratories studying various aspects of foodborne norovirus in Europe include:

Key laboratories studying various aspects of foodborne norovirus in South and Latin America include:

Key laboratories studying various aspects of foodborne norovirus in Asia and Australia include:

Additional resources on norovirus:
A number of key sources on norovirus are available. 

 References
¹http://en.wikipedia.org/wiki/Clostridium_botulinum
²Scallan et al. 2011.Emerging Infectious Diseases 17:7-15  PMID:21192848