The Centers for Disease Control and Prevention (CDC) is investigating a salmonella outbreak in about 25 states that hasn’t yet been linked to any food source or product. So far, 127 people have become sickened and 18 hospitalized in the outbreak of the Salmonella oranienburg strain. The agency, however, warned that the actual number could be far higher. “Many people recover without medical care and are not tested for Salmonella,” the CDC said in the notice on its website on Sept 17.  No deaths have been reported. Most of the cases have been reported in Texas and Minnesota, according to a map provided by the agency. The first outbreak started in early August and the last reported illness was in Sept. 1, according to a news release. “The true number of sick people in an outbreak is likely much higher than the number reported, and the outbreak may not be …