Good to know. I was basing my opinion on the fact that the actual infection (confirmed via PCR) had me very fatigued for a week, with a fever for about half of it. And online reports for J&J showed several days of response effects.

I could've opted for Pfizer, but the wait time for it to arrive and to get the full two doses was too long. J&J is one shot, and some say it works better than "older" vaccines.

I did get into the country that didn't have it on their list to be fair. They probably added it later, AZ was on there.