Of the 13 outbreaks with confirmed cases of foodborne illness, all but 1 involved either Listeria, Salmonella, or Escherichia coli.
Review of data from the trial found that the vaccine was not sufficiently effective at preventing invasive E coli disease compared with placebo.
Both fresh whole and sliced cucumbers from Mexico were recalled in a 113-case Salmonella outbreak.
In addition, the FDA has increased the case counts in 2 other multistate E coli outbreaks.
A CDC- and FDA-led investigation found the outbreak, which sickened 104 people in 14 states, was likely caused by slivered onions supplied by Taylor Farms.
Analysis of clinical isolates of E coli ST131 identified 18 different carbapenemase genes, which could limit treatment options.
The carrots were sold under different brands at a number of popular retailers in the US and Canada, including Trader Joe's, Wegman's, and Safeway.
A total of 104 people have been sickened, with 34 hospitalizations, 4 cases of hemolytic uremic syndrome, and 1 death.
The researchers found foodborne pathogens that had formed colonies of pathogens in a sticky biofilm in three common types of plastic in raw and treated wastewater.
The outbreak has now sickened 90 people in 13 states, with 27 people hospitalized.
