hey years back i saw a movie in which a space capsule fall to earth its origin is of united state the folks who opened it stars getting mysterious illness scientists discover a kind of yellow fog from the capsule they try to destroy it every time they use a method it become resistant at last they discover that a new born child have resistance against it due to large quantity of co2 in its body in the very last scene a sample of the mysterious thing is put in to a space capsule by the govt
the movie is in color, saw it on hbo or star movies it was released before 2010
its english
Very likely it is
The Andromeda Strain
I wonder if this one might be the Andromeda Strain mini-series from 2008, not the movie from 1971?
https://www.imdb.com/title/tt0424600/