Welcome to UU, enjohn!
You can take a look on YouTube to get back in the swing of things. Depending on where you live there might be a uke group around. They might currently be doing Zoom meetings only, but eventually meetings in pubs or community centres will resume. If you mail a local group, they might also be able to point you in the direction of a local teacher.
You could also sign up for lessons in various formats online, and most will offer free sample lessons.
James Hill has several courses (
https://www.uketropolis.com/theukuleleway)
Rock class 101
https://rockclass101.com/
Ukulele Underground +
https://ukuleleunderground.com/course-level/beginner/