User talk:2401:4900:1737:3B98:C419:14E8:E2D7:D75A

January 2019
Hello, I'm Tornado chaser. I noticed that you added or changed content in an article, Max Joseph von Pettenkofer, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so. If you need guidance on referencing, please see the referencing for beginners tutorial, or if you think I made a mistake, you can leave me a message on my talk page. Also, cholera is caused by a bacterium, not a virus. Tornado chaser (talk) 03:50, 11 January 2019 (UTC)