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Table 1 Input parameters for quantitative microbial risk assessment, 2024 Ethiopia

From: Health risk assessment of Staphylococcus aureus and Salmonella from the consumption of street foods in Ethiopia

Description

Unit

Value

Reference

Average quantity of Salmonella spps. per gram of Sambussa

CFU/g

6.4

Laboratory result

Average quantity of S. aureus per gram of Sambussa

CFU/g

3928

Laboratory result

Average quantity of Salmonella spps. per gram of Bonbilino/Biscuit

CFU/g

15.8

Laboratory result

Average quantity of S. aureus per gram of Bonbilino /Biscuit

CFU/g

11,126.5

Laboratory result

Average quantity of Salmonella spps. per gram of Ambasha

CFU/g

12.4

Laboratory result

Average quantity of S.aureus per gram of Ambasha

CFU/g

10,186.0

Laboratory result

Average weight of Sambussa

gm

182.3

Direct measurement

Average weight of Bonbilino /Biscuit/Kokor

gm

189.0

Direct measurement

Average weight of Ambasha

gm

268.9

Direct measurement

Average weight of the consumer

Kg

59.7

Direct measurement

infectivity constant for S. aureus

Unit less

7.64 × 10− 8

[10]

infectivity constant for Salmonella species

Unit less

3.97 × 10− 6

[40]