Hello doctor,Can Listeria monocytogenes colonise and proliferate on a plate that had plain pasta on it but pasta has been taken out, and plate left out for about a week at room temperature? I am 16 weeks pregnant, and when I was washing said plate, I spilled some of the dirty water from it onto a tea towel that my husband then used to dry a cup which I then drank water out of. I am wondering how likely if at all that listeria may have contaminated my cup through the tea towel.
Hello. I understand your concern. I suggest that you get a culture for listeria from the cloth which was used. If the cloth was  ChatDoctor.  It is difficult to predict if the water was first infected with the bacteria. Then if it would have survived for the time. Follow-up if you have any fever or symptoms. 