If you’re not sick ATM, you most likely lucked out with respect to the common bacterial causes of seafood-related foodborne illnesses; #1 is a nasty little bug called Vibrio vulnificus (sp?); also, Salmonella species. However, nematode (= worm) infestations take longer to declare themselves, and usually do so in a much more insidious manner than the acute, severe illness that characterizes bacterial diseases. So unfortunately, you are not out of the woods yet. You should know within a few weeks or so.
Finally, parasitic infestations related to raw-fish consumption are not limited to nematodes; depending on the source of the fish (eg, did someone catch it from a stream and/or lake and hand it to you?), protozoa and other critters are a possibility as well. (Ever hear of ‘beaver fever’? It’s not as fun as it might sound.)