The Texas Department of Health (TDH) announced today that federal, state and local health authorities are investigating reports of illnesses in people from several states who attended meetings or conferences in Dallas in mid-March.

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Health authorities have confirmed Salmonellosis in ten people and have reports of diarrhoeal illnesses in several others but say the number of illnesses could be much larger.


So far, illnesses have been reported in people who attended meetings in Dallas from 17 through 24 March.


Health authorities say the investigation is in its early stages. They are not releasing the names of conferences or meeting locations, pending more information.


Salmonellosis is a bacterial illness. Symptoms include diarrhoea, fever and abdominal cramps. Symptoms usually last from four to seven days. The incubation period, or time from exposure to illness, is usually six to 72 hours.

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Most people who become ill recover without treatment, but the infection can be deadly.  More serious effects are associated with severe diarrhoea or with the spreading of the infection from the intestines to the bloodstream.


Infants, the elderly and persons with weakened immune systems are more likely to experience severe effects. In some, the diarrhoea may be so severe that the patient needs to be hospitalised.


Salmonellosis is usually contracted by eating contaminated foods. The illness also can be spread person-to-person via a fecal-oral transmission route.

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