Re: Fungal strains in space spark worry - we might have already contaminated --

"Jim Wilkins"  wrote in message news:[email protected]...

> This is significant because it also affects how returned samples must be 
> treated and handled.

In brief, we can't sterilize a sample that cost billions until we learn that 
we must.

Have we already been infected and developed immunity?
https://www.space.com/mars-meteorites-on-earth-mystery
"Meteorites from a variety of sources have been discovered across Earth's 
surface for thousands of years, but Mars wasn't suggested as a possible 
source of this bombardment until the 1970s when measurements of the Martian 
atmosphere made by NASA's Viking orbiters were found to match gases locked 
in these space rocks."