Page 70 - GPHS Environmental Public Health Standards (Foundation of Public Health) v1
P. 70

Norovirus fecal oral route transmission






     Viral agents, particularly noroviruses, are now the primary cause of AGE outbreaks on cruise ships.
     These viral illnesses may be spread both ashore and on board:














                                                                                   From person-to-person
                                                                                            spread








                                        High viral load in people
                                        with active symptoms of
                                              illness (AGE)









                                                                          By food which is                 By potable water or          Through recreational water
                                 Through environmental
                              contamination of surfaces by           contaminated (either at the               ice which is             facilities (RWFs) if used by
                              people with active symptoms           source, during preparation or           contaminated at                  people with active
                                                                         during self-service)             source or during use             symptoms of illness
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