A new vaccine against salmonella and typhoid moves closer to approval, according to results of a clinical trial published by researchers at the University of Maryland School of Medicine Oct. 8.

“These results are highly encouraging,” study lead investigator Dr. Wilbur Chen said in a statement announcing the news. “They show that [this treatment] has the potential to protect children in regions where both typhoid and salmonella are endemic and deadly.”

Results were published in the journal Nature Medicine .

Salmonella bacteria — usually from contaminated food — infects about 1.35 million people in the United States each year, according to the Centers for Disease Control . Another species of salmonella causes typhoid fever, a life-threatening illness usually picked up in internation

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