The FDA is continuing to investigate several outbreaks, including a Salmonella Braenderup outbreak which has seen a jump of 17 patients in the past week.

Officials have not yet been able to find the food source that is causing the infections, according to an update from the Food and Drug Administration. A week ago the patient count stood at 42. As of July 6 there are 59 people who have been confirmed with infections.

The FDA first posted the Salmonella Braenderup outbreak on June 22.  The agency has begun traceback efforts but has not reported what food or foods are being traced.

For a Listeria monocytogenes outbreak first posted April 13, the FDA has identified Big Olaf ice cream from Florida as the source of the bacteria. The patient count stands at 23 with one death reported. The company has not initiated a recall, but has alerted retailers to not sell its branded products.

In other outbreak news, an investigation of a hepatitis A outbreak linked to fresh strawberries continues in the United States and Canada. In the U.S. 18 confirmed patients have been identified with 13 of them having been hospitalized.

An investigation of Salmonella infections linked to Jif peanut butter continues with the patient count standing at 16 with two hospitalizations.

Several other outbreaks of known and unknown origin are under investigation. For information on additional outbreaks, please see the table below. Click here to go to the FDA page with links to details on specific outbreaks.

Additional outbreak information
The table below shows information about outbreak investigations being managed by FDA’s CORE Response Teams. The investigations are in a variety of stages. Some outbreaks have limited information with active investigations ongoing, others may be near completion. The table below has been abbreviated to show only active investigations.

public health advisory will be issued for investigations that have resulted in specific, actionable steps for consumers to take to protect themselves, according to the FDA. Please direct your attention to those pages for the most up to date information on the investigation and for consumer protection information.

Outbreak and adverse event investigations that do not result in specific, actionable steps for consumers may or may not conclusively identify a source or reveal any contributing factors. Adverse event investigations rely on self-reported data. Although these reports may name a particular product, FDA will only indicate a product category in the table and will not publicly name a specific product until there is sufficient evidence to implicate that product as a cause of illnesses or adverse events. If a cause and/or contributing factors are identified that could inform future prevention, FDA commits to providing a summary of those findings.

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