More education is needed on the safe preparation of wild game to prevent the rare parasitic illness, the authors say.
Of the 65 people sickened, 24 have required hospitalization.
Climate change will have increasing effects on public health and food security over time, the authors say.
The analysis also found high levels of community deaths in some countries, which highlights serious gaps in treatment.
Illness-onset dates range from March 11 to July 26, with patient ages ranging from less than 1 year to 94.
Tests on turtles or their environments in California and Illinois were positive for one of the two outbreak strains.
A shortage of oral cholera vaccine still complicates response efforts, with demand nearly double the number of doses produced since 2023.
Two states have now found Listeria in unopened liverwurst packages, and genetic sequencing shows a link to the outbreak.
Twenty-nine percent said they never use a thermometer to check food temperatures.
Liverwurst is the main suspect, but investigators are examining if other deli meats are involved in the outbreak.
