*UPDATE* May 22nd, 2019
According to the final update from the CDC, this outbreak appears to be over. There were 15 people infected with the outbreak strain of Salmonella from eight states. Two people were hospitalized and no deaths were reported.
Apr 14th, 2019
The Centers for Disease Control and Prevention (CDC) is currently investigating a multistate Salmonella outbreak that has affected 13 people in Washington, North Dakota, Minnesota, Iowa, Illinois, New York, and Connecticut. Two persons have been hospitalized.

Evidence suggests that frozen, raw ground tuna supplied by Jensen Tuna is the likely source of this outbreak. The company issued a voluntary recall on Apr 15th. Consumers who order sushi made with raw tuna, including “spicy tuna,” should ask the restaurant or grocery store if the tuna is from Jensen Tuna. If you are not sure if the tuna has been recalled, do not eat it.
According to the CDC, people who are at higher risk for serious foodborne illness should not eat any raw fish or raw shellfish. People at higher risk include children younger than 5 years, pregnant women, adults older than 65 years, and people with weakened immune systems. You can check full outbreak investigation notice by the CDC here.
Food and Drugs Administration (FDA) suggests that restaurants and retailers should check with their suppliers and not sell or serve the recalled ground tuna from Jensen Tuna. They should also be sure to wash and sanitize locations where the recalled ground tuna was stored or prepared.
FDA also advises that it is unlikely that the recalled ground tuna was sold directly to consumers in grocery stores; rather, it was likely used in food dishes sold by restaurants or retailers. You can check the full recall notice here.