I don't want to go San Francisco for work.

No particular concerns, I just hate plane travel. Just hate it more with a mask on.

Funny thing is I'm heading out to service a system I installed late Jan 2020. No one knew but Covid was going through there pretty good then, and I was out singing karaoke and hitting the bars and restaurants.

I had my usual post-travel cold afterwards, maybe mild post-travel Covid, who knows?