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1 Department of Medical Microbiology and Infectious Disease, Institute of Infection and Immunity, UHW Main Building, Heath Park Hospital, Cardiff CF14 4XN, UK. Electronic address: walshtr@cardiff.ac.uk.
2 The Key Laboratory of Food Safety Risk Assessment, Ministry of Health, Beijing, China; China National Center for Food Safety Risk Assessment, Beijing, China.
1 Department of Medical Microbiology and Infectious Disease, Institute of Infection and Immunity, UHW Main Building, Heath Park Hospital, Cardiff CF14 4XN, UK. Electronic address: walshtr@cardiff.ac.uk.
2 The Key Laboratory of Food Safety Risk Assessment, Ministry of Health, Beijing, China; China National Center for Food Safety Risk Assessment, Beijing, China.