The frequency of a Norwalk-like pattern of illness in outbreaks of acute gastroenteritis.

@article{Kaplan1982TheFO,
  title={The frequency of a Norwalk-like pattern of illness in outbreaks of acute gastroenteritis.},
  author={Jonathan E. Kaplan and R. Feldman and David S Campbell and C Lookabaugh and G. W. Gary},
  journal={American journal of public health},
  year={1982},
  volume={72 12},
  pages={1329-32}
}
Records of 642 outbreaks of acute gastroenteritis were reviewed to determine the proportion of outbreaks that were clinically and epidemiologically consistent with Norwalk-like virus infection. Using as our criteria stool cultures negative for bacterial pathogens, mean (or median) duration of illness 12-60 hours, vomiting in greater than or equal to 50 per cent of cases, and, if known, mean (or median) incubation period of 24-48 hours, we found that 23 per cent of waterborne outbreaks, 4 per… CONTINUE READING