Chinese cities rolled out mass testing of millions of people and imposed fresh travel restrictions as health authorities battled Sunday to contain the country's most widespread coronavirus outbreak in months.

Millions of Americans could find themselves homeless starting Sunday when a nationwide ban on evictions expires, even as billions in government funds meant to help them go untapped.

Mushrooming outbreaks of the highly contagious Delta variant prompted China and Australia to impose stricter Covid-19 restrictions on Saturday as the WHO urged the world to quickly contain the mutation before it turns into something deadlier and draws out the pandemic.

Hundreds of thousands of people in China were in coronavirus lockdown Friday as the country battled its worst outbreak in months, while the United States intensified vaccination efforts in the face of a Delta variant-fuelled surge.

The World Health Organization has warned that the highly transmissible strain, first detected in India, could unleash more Covid-19 outbreaks in a high-risk area from Morocco to Pakistan where vaccination rates are low.

Israel launched a campaign Friday to give the elderly Covid-19 booster shots, at a time when the rest of the world is still struggling to complete the standard course.

Kicking off the campaign, Israel's President Isaac Herzog, 60, received a third dose of the Pfizer/BioNTech Covid-19 vaccine at a hospital in Ramat Gan, near Tel Aviv.

Here are the latest developments in the coronavirus crisis:

- Iran daily cases record -

France's parliament has voted to make vaccine passports a key part of daily life in the battle against Covid-19, after a compromise between lawmakers from the upper and lower houses.

Iran's daily Covid caseload crossed the 30,000 mark for the first time on Monday, its health ministry said, less than a week after the country recorded a daily infection record.

China on Monday reported 76 new coronavirus cases -- the highest daily rise since January -- including 40 domestic transmissions linked to a cluster in the eastern province of Jiangsu.

A Democratic Republic of Congo policeman has shot a student who was not wearing a mask while filming on the streets of the capital, witnesses said on Sunday.