たぶん地球の全人口の60～67パーセントが感染するだろう。疫病対策イノベーション連合代表取締役社長 リチャード ハチェット

Where there is no underline population or community, perhaps you would expect 60 to 67 percent of the world population to become infected. That's billions of people. Coalition for Epidemic Preparedness Innovations CEO Richard Hatchett