Generate an explanation for the given claim using the provided supporting material from the paragraph. Please consider the following points while generating an output. 1) The claim will always have supporting proof in the paragraph, and the paragraph will have a clear point of view supporting the claim. 2) There can be instances where direct correlation to the claim is not available. Make use of the sentences in the paragraph to provide a corresponding output supporting the claim. 3) The explanation should be at least one and at most twelve sentences long.

Paragraph: The sheriff's office says one inmate has tested positive for salmonella, a bacteria that causes gastrointestinal illness. Other inmates and staff have also reported intestinal illnesses. The source of the bacteria has not been determined. One inmate has also tested positive for hepatitis A, a liver disease caused by contaminated food or water. The source of the virus has not been determined. Inmates and employees that have been potentially exposed are being vaccinated. The jail has suspended visiting and has limited inmate movement and interactions. A professional cleaning company is sanitizing the jail. Claim: Salmonella, hepatitis A reported at Crow Wing County Jail.
The Minnesota Department of Health is investigating cases of salmonella and hepatitis A at the Crow Wing County Jail.