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Updated: Jun 22, 2026

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)

Published on: February 9, 2011

[Raw milk-associated Staphylococcus aureus intoxication in children].

N Giezendanner¹, B Meyer, M Gort

¹Institut für Lebensmittelsicherheit und -hygiene der Universität Zürich.

Schweizer Archiv Fur Tierheilkunde

|July 1, 2009

Summary

Raw goat milk contaminated with Staphylococcus aureus caused illness in three children. High bacterial counts, due to goat mastitis, led to staphylococcal enterotoxin D poisoning.

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Area of Science:

Food safety
Microbiology
Public health

Background:

Raw milk consumption can pose health risks.
Staphylococcus aureus is a common cause of foodborne illness.
Mastitis in dairy animals can contaminate milk.

Observation:

Three children experienced emesis and diarrhea after consuming raw goat milk.
The milk was sourced from a goat with clinical mastitis.
Staphylococcus aureus counts in the milk reached 5.0 x 10(7) CFU/ml.
PCR analysis confirmed the presence of the staphylococcal enterotoxin D gene.

Findings:

The high Staphylococcus aureus count, resulting from goat mastitis, bypassed normal inhibitory flora.
The bacterial load was sufficient to cause Staphylococcus aureus intoxication.
Staphylococcal enterotoxin D was identified as the causative agent.

Implications:

This case highlights the risk of Staphylococcus aureus intoxication from raw milk, especially during mastitis.
Ensuring milk safety from dairy animals with infections is crucial.
Public health awareness regarding raw milk consumption risks is important.