Correct, so far it seems the lettuce is from Mexico, and it's not the first time this has happened (outbreaks during the spring and summer are pretty common, regardless of administration).
https://www.npr.org/2026/07/12/nx-s1-5890935/cyclosporiasis-cyclospora-outbreak-diarrhea-states-us
So funny meme I guess, but is is pretty shitty when you think about it.