I'm pretty sure I caught a very mild, if not asymptomatic case very early on, because ever since late-2020 I've caught myself occasionally struggling to think of words while speaking, and sometimes just completely forgetting the last minute or two of a conversation for a few moments before it comes back to me. I hate that feeling, when somebody you've been talking to face-to-face for the last fifteen minutes looks at you waiting for you to add something, and you just completely blank out. That fog sucks.