You can handle them one after another, just do make sure you wash your hands. It is a good idea to refrain from handling them at the same time for a little while. For this purpose, a shed or two should be plenty of time to ensure nothing is wrong. After that you should be all set.
X2 Yeah, after the quarantine process you can get them out together. I've had all 10 of mine out together. Good luck!
"Be not afraid of greatness: some are born great, some achieve greatness, and some have greatness thrust upon them." ~William Shakespeare
1.1 Normals - Apollo & Medusa
1.0 Pastel - Zeke
0.1 Pastel het OG - Dixie
0.1 Pastel het Axanthic
0.1 Spider het Axanthic
1.1 Mojave - Clyde & Bonnie
1.0 Black Pastel - Conan
0.1 Spider - Dizzy