[MarMema]

Exactly.

https://www.scientificamerican.com/article/rogue-antibodies-involved-in-nearly-one-fifth-of-covid-deaths1/?fbclid=IwAR1daTVb8GUVL4sIikmDr7Azc0IgPFQ1FavsnkmTBvSwufrpYNRhmJIuX3w

[RummyChick]

That is an interesting article

I had a young relative die within a few days after diagnosed with the flu. Turned to sepsis/pneumonia. Similar to what happens with Covid.

It is entirely plausible there was a genetic quirk that caused it to happen. The right parameters struck.