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Journal of environmental health, 2007-11, Vol.70 (4), p.49-51
Ort / Verlag
United States: National Environmental Health Association
Erscheinungsjahr
2007
Quelle
MEDLINE
Beschreibungen/Notizen
Factors that play a role in this heightened virulence among elderly populations include * age-induced decrease in stomach acid production, which allows ingested pathogens to enter the intestinal tract;8 * age-induced decrease in cellular and humoral immunity, which is caused by decreased T-cell activity, and thus decreases resistance to pathogens;9 and * age-induced decrease in peristalsis,11 which significantly slows the elimination of enteric pathogens.12 Legal Implications The legal fallout from outbreaks of noroviruses depends largely on the setting of the outbreak and the vehicle of transmission. The continuation of these outbreaks on consecutive cruises ... suggests that environmental contamination and infected crew members can serve as reservoirs of infection for passengers.20 The CDC now operates a Vessel Sanitation Program designed to combat the problem.21 In addition, measures implemented by cruise ships to combat the spread of illnesses on board often include quarantining of passengers who report themselves ill.