It begins on the evening of March 13th, with this fateful tweet:
The answers start off innocuously enough, with people writing "sense of humor" or um, "a twin sister and a trust fund."
By March 14th, as Slate has compiled, the anti anti-vaxxers have taken over #JennyAsks, with the tweets like:
The sarcasm and frustration is something to behold, especially in light of the recent New York City measles outbreak that scientists have blamed on the anti-vaccination movement.
McCarthy herself didn't offer a direct response to the criticism, but she did tweet this on March 17th:
Image via Getty.