[Tell It Right]

Here's what I read in it (I did the boldfacing):
"There’s one caveat to the Penn team’s current approach, though. Despite an improvement in interstitial fibrosis, the mRNA treatment still left behind some persistent FAP-negative perivascular fibrosis, the researchers noted."

And:
The interstitial fibrosis contributes to the stiffness of the heart, which impairs both the pump function and the relaxation, resulting in cardiac dysfunction, Aghajanian explained. Perivascular fibrosis can affect oxygen and nutrient exchange that may worsen heart disease."

What I can't gleam from this is if the mRNA jab was found to cause the perivascular fibrosis when trying to eradicate the interstitial fibrosis, or if the perivascular fibrosis was always there and the mRNA treatment didn't get it all out.

[House Atreides]

“… What I can’t gleam from this is if the mRNA jab was found to cause the perivascular fibrosis when trying to eradicate the interstitial fibrosis, or if the perivascular fibrosis was always there and the mRNA treatment didn’t get it all out.
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I’m fairly certain it’s the latter.