User talk:122.56.198.150

May 2020
Hello, I'm Materialscientist. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Polio vaccine—because it did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help desk. Thanks. Materialscientist (talk) 23:36, 12 May 2020 (UTC)
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Please stop attacking other editors. If you continue, you may be blocked from editing. Comment on content, not on other contributors or people.  Acroterion   (talk)   00:05, 13 May 2020 (UTC)
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