3 ms·
“To my knowledge, we have no evidence that any human virus has evolved to become less virulent (please furnish examples if I'm wrong!).” Isn’t this what happen
by danenania 5y ago
“To my knowledge, we have no evidence that any human virus has evolved to become less virulent (please furnish examples if I'm wrong!).”
Isn’t this what happened with the influenza strain that caused the Spanish Flu pandemic?
- somewhereoutth 5y agoMy understanding is that in fact we don't know. A likely explanation for its disappearance is that it ran out of susceptible hosts. Specifically, we have no evidence of a successor virus that was both less lethal, and induced immunity to the original.