By NewsDesk  @infectiousdiseasenews

Swedish health officials aka Folkhalsomyndigheten report investigating a national outbreak of Salmonella infection last week.

Salmonella bacteria (red)/National Institute of Allergy and Infectious Diseases (NIAID)

According to authorities, with the help of whole-genome sequencing, 25 cases of disease have been linked to an outbreak of Salmonella Newport.

The cases are spread in 12 counties and have fallen ill from August 16 to October 12.

The Swedish National Food Agency and the Public Health Agency together are investigating the outbreak to identify the source of the infection that is unknown so far. As part of the investigation, the cases are interviewed about what they ate before they became ill.

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Salmonellosis is one of the most common bacterial foodborne illnesses. The most common symptoms of salmonellosis are diarrhea, abdominal cramps, and fever within 12 to 72 hours after eating the contaminated product. The illness usually lasts 4 to 7 days. Most people recover without treatment. In some persons, however, the diarrhea may be so severe that the patient needs to be hospitalized. Older adults, infants, and persons with weakened immune systems are more likely to develop a severe illness.