Imagine a vaccine getting body's immune system activated to fight a virus in the vaccine and from social infection. Dah!.
Would not the virus itself do the same thing?
Oh nobody studying that. is it possible the covid-19 did same kind of effects on pregnant women as German measles. one of those parallel events in the series of evolving each generation added to this ever changing population that doesn't exceed living as only timed apart spontaneously here since conception occupying space until entirely decomposed.
Gee mummifying the dead wouldn't upset the natural flow of evolving since it only works as eternally changing now in a perpetual balancing outcome universally constant regardless geographical area each galaxy is in real time minus relative time logistics and statistical averages used against each great great grandchild by their previous 4 generation gaps alive.