Respuestas al mensaje #7,401

Why would a million years ago be any different then thousands of years ago? The same pressures would have been applied, since viruses for the most...

We have very little knowledge of viruses before the modern era, let alone millions of years ago. Just because viruses mutate and become less...

Look at things like rabies. That can infect nearly any mammal. Also, it's nearly 100% fatal, but there's a period of insane, bitey behavior that...