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Subtyping and Surveillance of Salmonellosis in Malaysia.

Subtyping and Surveillance of Salmonellosis in Malaysia.

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Burden <strong>of</strong> Foodborne diseases<br />

True <strong>in</strong>cidence –difficult difficult to determ<strong>in</strong>e<br />

Passive surveillance: reported cases<br />

*67% <strong>of</strong> reported outbreaks occurred <strong>in</strong> public schools, schools,<br />

residential<br />

colleges,factories<br />

*any outbreak cases or sporadic cases <strong>in</strong>volved any any<br />

food outlets –<br />

difficult to detect<br />

Grossly underestimated<br />

A local study done <strong>in</strong> the State <strong>of</strong> Kelantan<br />

(2001) showed a higher ( 2x) estimated<br />

annual IR <strong>of</strong> typhoid cases (Wan ( Wan Mansor, Mansor,<br />

unpublished<br />

data)

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