In 1918, a new virus appeared that killed some 50 to 100 million people.
En 1918, un nouveau virus est apparu qui tua entre 50 et 100 millions de personnes.
In 1918, a new virus appeared that killed some 50 to 100 million people.
En 1918, un nouveau virus est apparu qui tua entre 50 et 100 millions de personnes.