Austria's government is likely to decide on Sunday to impose a lockdown on people who have not been vaccinated against the coronavirus as daily infections have surged to record levels, Chancellor Alexander Schallenberg said on Friday.

Schallenberg did not say when the lockdown would take effect, but the two provinces hardest hit by this wave of infections, Upper Austria and Salzburg, have said they will introduce the measure for themselves on Monday.

Roughly 65 percent of Austria's population is...