user22057: There were two questions posted by someone recently on measles virus, to which I devoted several hours of work in producing answers. The questions and answers disappeared completely over the weekend. They were not put on hold so I imagine the poster was removed from the list or something of the sort. 
I would like to use these answers for other questions, but although I retain drafts  in text files, I do not have the final edited and illustrated versions. Is there any way I can retrieve them?

user48820: You should be able to find them yourself using either of the following methods:

Anyone can find their deleted recent (i.e. posted in the past 60 days) answers by going to the answer tab of their profile and clicking on "deleted recent answers". There is also a link for "deleted recent questions" on the question tab.
As a 10k+ user, you can see a list of all your deleted posts by searching for deleted:1. (This method is both easier to use and more powerful.)

(I'll also note that anyone, regardless of rep, can see their own deleted posts if they have a link to them, even if it's an answer to a deleted question.)

user5144: The user was removed, this is correct. Regarding your answer, you should be able to see your own answers, if not they are here and here. If you still can't see them, let me know, then I will copy+paste them to a place like pastebin, where you can copy them.

22057: <p>There were two questions posted by someone recently on measles virus, to which I devoted several hours of work in producing answers. The questions and answers disappeared completely over the weekend. They were not put on hold so I imagine the poster was removed from the list or something of the sort. </p>

<p>I would like to use these answers for other questions, but although I retain drafts  in text files, I do not have the final edited and illustrated versions. Is there any way I can retrieve them?</p>
 48820: <p>You should be able to find them yourself using either of the following methods:</p>

<ul>
<li><p>Anyone can find their deleted recent (i.e. posted in the past 60 days) answers by going to the <a href="https://biology.stackexchange.com/users/current?tab=answers">answer tab of their profile</a> and clicking on "deleted recent answers". There is also a link for "deleted recent questions" on the <a href="https://biology.stackexchange.com/users/current?tab=questions">question tab</a>.</p></li>
<li><p>As a 10k+ user, you can see a list of all your deleted posts by searching for <a href="https://biology.stackexchange.com/search?q=user%3Ame+deleted%3A1"><code>deleted:1</code></a>. (This method is both easier to use and more powerful.)</p></li>
</ul>

<p>(I'll also note that anyone, regardless of rep, can see their own deleted posts if they have a link to them, even if it's <a href="https://meta.stackexchange.com/a/179511/323179">an answer to a deleted question</a>.)</p>
 5144: <p>The user was removed, this is correct. Regarding your answer, you should be able to see your own answers, if not they are <a href="https://biology.stackexchange.com/questions/84361/how-is-the-measles-virus-identified-and-characterized/84546#84546">here</a> and <a href="https://biology.stackexchange.com/questions/84209/genome-sequences-of-measles-virus/84224#84224">here</a>. If you still can't see them, let me know, then I will copy+paste them to a place like pastebin, where you can copy them.</p>
