Awesome! Tanzania would be a great place to be during Covid. We were just there and it is completely business as usual. We are currently back in Uganda. We spent many months in Guatemala in 2018/19. It’s a fabulous country! You really should extend your trip if you can to include Tikal and the Flores region. It’s a stunning area snd so laid back and chill in comparison to AtitLan. Though Atitlan is certainly spectacular. Have a blast and let me know if you want specific recommendations around Flores. If you get there!