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. 2020 Nov 13;12(11):716. doi: 10.3390/toxins12110716

Table 2.

BoNT concentration (mouse lethal dose (MLD)/mL) in the sera of patients with food-borne botulism.

Country Year Number of Patient’s Sera Days from Symptom Onset to Serum Sampling BoNT Type BoNT Concentration (MLD/mL) References
USA 1963 5 1–10 E 1–10 [44]
France 1 1970–1973 1 120 B 1 [43]
17 3–20 (most 8–15) B 1–10
1 21 B 4–40
Japan 1984 1 4 B 1–2 [54]
Finland 1997 1 E 6 [58]
Finland 1999 1 1 E 1 [60]
Turkey 2005 9 A <1–2 [67]
USA 2006 1 (patient A) 1 A >20 [68]
1 (patient B) 5 A >200
7 1800
8 >200
12 >200
France 2007–2016 1 A 80 [47,48,49]
2 A 32–40
2 A 8–16
35 A 1–8
6 B 16–40
67 B 1–8
14 B <1
1 E 8
2 E 1
Finland 2011 1 3 B <1 [74]
France 2014 1 2 F (C. baratii) 400 [84,85]
1 2 1–2
France 2015 3 F (C. baratii) 1-4 [85]

1 BoNT concentration determined in 19 sera of 28 toxin positive sera.