3 ms·
Population is the big one. 7 billion people today means we have many times more opportunities for viruses to come up, combine, and mutate than we once did. I'm
by murgindrag 5y ago
Population is the big one. 7 billion people today means we have many times more opportunities for viruses to come up, combine, and mutate than we once did. I'm not sure which is the bigger phenomenon.