ACCORDING TO THE PASSAGE, WHAT WAY WAS USED TO ELIMINATE THE SPREA...

51- - DE THI THU DAI HOC MON ANH VA DAP AN
Tiếng Anh DE THI THU DAI HOC MON ANH VA DAP AN
51- According to the passage, what way was used to eliminate the spread of smallpox?A- Vaccination of entire villages B- Treatment of individual victimsC- Isolation of victims and mass vaccinations D- Extensive reporting of outbreaks