User talk:212.129.86.243

May 2021
Hello. This is a message to let you know that one or more of your recent contributions, such as the edit you made to Vaccine shedding, did not appear constructive and has been reverted. Please take some time to familiarise yourself with our policies and guidelines. You can find information about these at our welcome page which also provides further information about contributing constructively to this encyclopedia. If you only meant to make test edits, please use the sandbox for that. If you think I made a mistake, or if you have any questions, you may leave a message on my talk page. Thank you. Jerm (talk) 23:14, 18 May 2021 (UTC)

June 2021
Please refrain from attempting to make unconstructive edits to Wikipedia. Your edits appear to constitute vandalism and have been [ disallowed by an edit filter.] If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. Materialscientist (talk) 12:43, 19 June 2021 (UTC)