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April 23, 1927

Special Article

JAMA. 1927;88(17):1321. doi:10.1001/jama.1927.02680430023010

THE FREQUENCY OF BOTULISM  REPORT OF OUTBREAKS FOR 1926In a report1 on outbreaks of botulism from 1922 to 1926, published last year, the data were thus summarized:There have been reported in the United States and Canada from 1899 to date, and including one outbreak from England, 147 outbreaks, or a total of 504 cases with 337 deaths, giving a case mortality of 67 per cent; fifty-four outbreaks have been proved toxicologically and bacteriologically. If there is taken an eight-year period, from 1918 to 1925 inclusive, an average of approximately thirteen outbreaks has occurred annually.The accompanying table includes all proved and clinically probable outbreaks of botulism that have occurred in 1926.It will be noted that only four outbreaks occurred in 1926, when the expectancy average was thirteen. It is decidedly interesting to note that all outbreaks were due to home canned foods. The food involved in