The Latest: WHO chief quarantines after contact is infected

GENEVA " The head of the World Health Organization says he has been identified as a contact of a person who tested positive for COVID-19 and will self-quarantine.

Tedros Adhanom Ghebreyesus wrote on Twitter late Sunday that he is 'well and without symptoms' but will self-quarantine in 'coming days, in line with WHO protocols, and work from home.'

The WHO director-general has been at the forefront of the global response to the coronavirus pandemic, which has infected at least 46.5 million people and led to more than 1.2 million deaths, according to a count of confirmed cases by Johns Hopkins University.

Tedros' tweet came the same day as authorities in Geneva, where the U.N. health agency is based, announced a tightening of restrictions aimed to curb the spread of the virus. A recent spike has more than 1,000 new cases recorded each day recently in an area of about 500,000 people.

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HERE'S WHAT YOU NEED TO KNOW ABOUT THE VIRUS OUTBREAK:

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" The BBC says Britain's Prince William had the coronavirus in April, around the same time as his father Prince Charles

" Follow AP's coronavirus pandemic coverage at http://apnews.com/VirusOutbreak and https://apnews.com/UnderstandingtheOutbreak

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HERE'S WHAT ELSE IS HAPPENING:

NEW DELHI " India has added 45,230 new coronavirus infections, continuing a downturn.

The Health Ministry also Monday reported 496 more fatalities, raising the death toll to 122,607.

With 8.2 million cases, India is the second worst-hit country behind the U.S.

But the number of new cases being diagnosed each day is falling steadily even though testing is not declining. In the last week, there have been fewer than 50,000 new cases every day.

Many states have been easing restrictions on schooling and commercial activities to spur the economy, but experts fear a resurgence in the winter, particularly as people socialize in the festive season.

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SAO PAULO " Protesters have gathered in Brazil's two biggest cities to demonstrate against any mandate for the taking of a coronavirus vaccine, supporting a rejection campaign encouraged by President Jair Bolsonaro in opposition to the advice of most health professionals.

A small group of people assembled in downtown Sao Paulo on Sunday calling for the removal of Sao Paulo state Gov. Joao Doria, who has said state residents will be required to take a vaccine, likely the one being developed by Chinese biopharmaceutical company Sinovac and the local Butantan Institute. Demonstrators supporting Bolsonaro on the question also protested on Copacabana Beach in Rio de Janeiro.

The issue has become a talking point in mayoral and city council campaigns for elections later this month.

Brazil has reported more than 5.5 million confirmed cases of coronavirus infections, and about 160,000 people have died from COVID-19, the disease that can be caused by the virus.

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WASHINGTON " Dr. Scott Atlas, one of President Donald Trump's science advisers, is apologizing after appearing on the Russian state-funded TV channel RT to criticize lockdown measures aimed at stemming the coronavirus.

In a tweet Sunday, Atlas wrote he was unaware that RT was a registered foreign agent. He said he regretted the interview and apologized, particularly to the national security community, 'for allowing myself to be taken advantage of.'

Atlas told RT over the weekend that he considered the COVID-19 pandemic to be mostly under control and that it was actually lockdowns that are 'killing people.'

RT is registered under the Foreign Agents Registration Act, which applies to people or companies disseminating information in the U.S. on behalf of foreign governments, political parties and other 'foreign principals.'

U.S. intelligence agencies have alleged RT served as a propaganda outlet for the Kremlin as part of a multi-pronged effort to interfere in the 2016 U.S. presidential election. Russia denies interfering.