WOW!! You really missed the point on that reply!
Please read it again.
The point was not to use Wiki as an authority (which I am loathe to do), but to cite them as a neutral third party; not a part of Big Pharma. So, before you take issue with what I posted and pass it off as "poisoned resource" you need to independently verify that that their information is correct. I did that because I first looked at the Moiderna web site.
I do not want to appear to be cruel to you, your friend, nor to her autism spectrum child, but one or even 100 cases among the millions of dosages given does not rise to the degree of probability/assurance that establishes causality. If it were the case, then there would be a recall of the vaccine similar to a defect in an auto or salmonella in certain lettuce from a certain place.
Did you understand that there is a H U G E (but easily confused) difference between messenger RNA (mRNA) and mitochondrial DNA (mtDNA)? For one thing, they are different, having distinct purposes. RNA is not the same thing as DNA.
Here it is again. Please do not "blow it off" until you understand it:
The "life cycle" of an mRNA in a eukaryotic cell. RNA is transcribed in the nucleus; after processing, it is transported to the cytoplasm and translated by the ribosome. Finally, the mRNA is degraded.
In molecular biology, messenger ribonucleic acid (mRNA) is a single-stranded molecule of RNA that corresponds to the genetic sequence of a gene, and is read by a ribosome in the process of synthesizing a protein.
Perhaps your friend can explain it better, but as I understand it, it is analogous to taking the directions from your car's GPS and downloading it into a self-driving auto such as Google Maps use. Obeying all the road rules, the self-driving car gets you from point A to point B.