US President Donald Trump said on Friday that he and his wife Melania had tested positive for Covid-19 and were going into quarantine, upending the race for the White House.
"We will begin our quarantine and recovery process immediately. We will get through this TOGETHER!" the president said in a late night tweet.
Prominent people diagnosed

 More than 1 million people have died after contracting the novel coronavirus and over 33 million infected.
Leading figures in politics, sport, royalty and entertainment are among them:

Prominent cases

 US President Donald Trump and First Lady Melania Trump tested positive for Covid-19, Trump said in a tweet on Oct. 1. Trump said the couple would begin their quarantine and recovery process immediately. The pair were tested after Hope Hicks, one of Trump's closest aides, tested positive.
British actor Robert Pattinson tested positive for Covid-19, news media reported on Sept. 3, halting production of "The Batman".
 Pro-wrestler turned Hollywood actor Dwayne "The Rock" Johnson said in a video message posted on social media on Sept. 2 that he, his wife and their two young children tested positive for Covid-19 in recent weeks but that they all have recovered and are healthy.
Brazilian Senator Flavio Bolsonaro, the eldest son of President Jair Bolsonaro, tested positive for the novel coronavirus, according to a statement by Flavio's spokesman on Aug. 25.
Flavio Briatore, one of Italy's most flamboyant businessmen who lambasted restrictions aimed at curbing the Covid-19 epidemic, was hospitalized after testing positive for the disease, his staff said in a statement on Aug. 25.
World-record sprinter and eight-time Olympic gold medalist Usain Bolt has tested positive for the coronavirus, Jamaica's health ministry confirmed on Aug. 24.
Spanish actor Antonio Banderas, star of "The Mask of Zorro" and dozens of other films, announced on Aug. 10, his 60th birthday, that he had tested positive for Covid-19 and was in quarantine.
Mexican Formula One driver Sergio Perez tested positive for Covid-19, his Racing Point team said on July 30.
US actor Bryan Cranston said he contracted and recovered from Covid-19 in a video posted to Instagram on July 30, according to media reports.
US national security adviser Robert O'Brien has become the highest-ranking official in President Donald Trump's inner circle to test positive for the coronavirus. The news was announced on July 27.
Amitabh Bachchan, one of India's best known movie stars, has tested positive for Covid-19 together with his actor son Abhishek Bachchan, they said on July 11.
Brazilian President Jair Bolsonaro, 65, said on July 7 that he had tested positive for the novel coronavirus, after months of playing down the severity of the pandemic.
Novak Djokovic, the top-ranked men's tennis player, tested positive for the virus on June 23. Djokovic, 33, apologized to anyone who contracted the virus after playing in an exhibition tournament he organized in Serbia and Croatia.
Actor Tony Shalhoub, 66, who starred in "Monk" and "The Marvelous Mrs. Maisel", revealed in May that he and his wife had recovered from coronavirus.
New York Knicks great Patrick Ewing, 57, on May 22 said he had tested positive for Covid-19.
Denver Broncos linebacker Von Miller, 31, tested positive in April.
British Prime Minister Boris Johnson, 55, was admitted to hospital on April 5 after suffering symptoms including a fever and a cough for more than 10 days. He spent a week in hospital, including three nights in intensive care.
American singer Pink, 40, said on April 5 that she had tested positive for Covid-19 two weeks prior and had since recovered. She donated $1 million to relief efforts.
Italian opera singer Andrea Bocelli, 61, said he felt like he was "living a nightmare" during his battle with coronavirus in March.
NBA basketball player and Brooklyn Nets forward Kevin Durant, 31, tested positive for coronavirus in March. NBA Utah Jazz center Rudy Gobert, 28, also tested positive in March.
Oscar-winning actor Tom Hanks and his wife, actress Rita Wilson, tested positive in March. Both 63, they were in Australia because Hanks was working on a film.
Former movie producer Harvey Weinstein, 68, who is serving a prison sentence for sexual assault and rape, tested positive for the coronavirus in March, according to the head of the state corrections officers union.
Britain's Prince Charles, 71, tested positive for the virus, his residence said on March 25. The heir to the throne had self-isolated at his residence in Scotland for seven days with mild symptoms.
Spanish opera singer Placido Domingo, 79, said on March 22 he had tested positive and went into self-isolation with his family.
Prince Albert of Monaco, 62, tested positive for coronavirus but his health "is not a cause for concern," his office said on March 19.
The European Union’s chief negotiator for Brexit, Michel Barnier, said on March 19 he had tested positive for Covid-19.
Actor Daniel Dae Kim, 51, best known for the television series "Hawaii 5-0," said on March 19 he had tested positive for the coronavirus.
British actor Idris Elba, 47, said on March 16 he had tested positive, after discovering he had been exposed to someone with the disease.
Former Bond girl Olga Kurylenko, 40, who appeared in "Quantum of Solace" in 2008, said on March 15 that she was "locked up at home" after testing positive for the coronavirus.
Kristofer Hivju, 41, best known for playing the formidable, bearded Tormund on "Game of Thrones," tested positive for the coronavirus, he said in an Instagram post on March 14.
Sophie Trudeau, 45, wife of Canadian Prime Minister Justin Trudeau, tested positive for coronavirus on March 12. The entire family self-isolated for two weeks.
Arsenal manager Mikel Arteta tested positive for the coronavirus, the Premier League club said March 12.
Juventus defender Daniele Rugani, 25, was the first Serie A soccer player to test positive, the Turin side said on March 11.


Former Indian president Pranab Mukherjee died on Aug. 31 after a lung infection. He had tested positive for Covid-19 on Aug. 10 and had been in hospital since. He was 84.
Nick Cordero, a Canadian Broadway actor who played leading roles in "Bullets over Broadway" and "Waitress," died on July 5, aged 41.
Annie Glenn, philanthropist and the widow of pioneering astronaut and US Senator John Glenn, died aged 100 on May 19 at a Minnesota nursing home.
Roy Horn, the magician who starred alongside Siegfried Fischbacher in a popular, long-running Las Vegas act built around rare tigers, died on May 8, aged 75.
Dave Greenfield, keyboard player for the British rock group The Stranglers died on May 3, aged 71. He wrote the music for "Golden Brown," the band's biggest hit.
Luis Sepúlveda, the Chilean author best known for his book "The Old Man Who Read Love Stories," died in Spain on April 16, aged 70.
Lee Konitz, the US saxophonist who pioneered "cool" jazz, died on April 15, aged 92. He cut albums with Miles Davis, pianist Bill Evans, sax player Gerry Mulligan and bassist Charles Mingus among many others.
Tim Brooke-Taylor, a stalwart of British comedy best known for the 1970s TV show "The Goodies", died on April 12, aged 79.
John Prine, the Grammy-winning singer who wrote his early songs in his head while delivering mail and later became one of the most influential songwriters of his generation, died on April 7, aged 73.
Mahmoud Jibril, who abandoned Muammar Gaddafi to become Libya's rebel prime minister during the 2011 revolution, died in Cairo on April 5. He was interim leader until the country held its first free elections in four decades in 2012.
Patricia Bosworth, the US writer and actor who starred alongside Audrey Hepburn in "The Nun's Story" in 1959, died on April 2, aged 86.
Sergio Rossi, the Italian luxury shoemaker, died on April 2. He was in his 80s.
Ellis Marsalis, one of the patriarchs of jazz as the father of Branford, Wynton, Delfeayo and Jason and a great pianist in his own right, died on April 1 aged 85.
Pape Diouf, the former president of Ligue 1 soccer club Olympique de Marseille, died aged 68 on March 31. The Senegalese national who moved to Marseille as a teenager died in Dakar.
Ken Shimura, one of Japan's best-known comedians, died on March 29, aged 70.
Manu Dibango, the Cameroon-born singer and saxophonist who recorded the hit track "Soul Makossa" in 1972, died in France on March 24, aged 86.
Terrence McNally, the Tony award-winning playwright known for plays including "Love! Valour! Compassion!" and the musical version of "Kiss of the Spider Woman," died on March 24, aged 81.
Li Wenliang, the Chinese doctor who was reprimanded for issuing an early warning about the disease, died on Feb 7.
Trump, 74, is at high risk for the deadly virus both because of his age and because he is considered overweight. He has remained in good health during his time in office but is not known to exercise regularly or to follow a healthy diet.
Trump played down the virus in its early stages and has repeatedly predicted it would go away.
More than 200,000 people have died from Covid-19 in the United States alone, with the elderly and those with pre-existing conditions especially hard hit.
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The president rarely wears a mask and has ridiculed others, including Democratic presidential nominee Joe Biden, for doing so regularly. Health professionals say that face coverings are key to preventing the spread of the virus.
Biden has criticized Trump sharply for his response to the pandemic, while the president has touted his own management of it.
Trump, who is tested regularly for the coronavirus, which causes Covid-19, has held rallies with thousands of people in recent weeks in the run-up to the Nov. 3 election, despite warnings from public health professionals against having events with large crowds.
On Thursday night the president predicted that the end of the pandemic was in sight. Shortly thereafter, news broke that Hope Hicks, a top adviser and trusted aide, had tested positive for the virus. Hicks traveled with the president on Air Force One on Tuesday and Wednesday.
The development alters the presidential race dramatically.
The White House issued a new schedule for Trump's activities on Friday that did not include his planned trip to Florida. Biden is scheduled to campaign in Michigan on Friday. Both states are swing states that could decide the US election.
Trump, who has been criticized for questioning the efficacy of wearing a face covering, produced a mask from his pocket in the first presidential debate on Tuesday and said, "I wear masks when needed. When needed, I wear masks."
He then ridiculed Biden for wearing them regularly: "I don't wear masks like him. Every time you see him, he's got a mask. He could be speaking 200 feet away from them and he shows up with the biggest mask I've ever seen."
Trump has held regular rallies around the country to drum up enthusiasm for his candidacy against the former vice president, who has eschewed campaign events with large numbers of people. Trump has taken pride in his big campaign rallies, with crowds of people who do not wear masks or maintain social distance.
Futures for the S&P 500 fell 1.8% in Asian trading after the news, extending earlier losses, while barometers of risk sentiment, such as the Australian dollar and Treasury yields, dipped.
"Trump has been trailing behind Biden and he has clearly failed to narrow the gap after the first debate ... I suspect markets will lean towards the view that Biden will likely win the election," said Naoya Oshikubo, senior economist at Sumitomo Mitsui Trust Asset Management. "What I am worried is that he will become even more aggressive against China after he caught the virus himself."
British Prime Minister Prime Minister Boris Johnson spent two weeks recovering after contracting Covid-19 in late April. Canadian Prime Minister Justin Trudeau went into quarantine in March after his wife was diagnosed with the coronavirus. Brazil's President Jair Bolsonaro called it a "little flu" after being infected in July. 


Here are some of the reactions from around the world and from within the US :

British prime minister Boris Johnson on twitter

"My best wishes to President Trump and the First Lady. Hope they both have a speedy recovery from coronavirus."

Vice president Mike Pence tweeted
"Karen and I send our love and prayers to our dear friends President @realDonaldTrump and @FLOTUS Melania Trump. We join millions across America praying for their full and swift recovery. God bless you President Trump & our wonderful First Lady Melania."

World Health Organization chief Tedros Adhanom Ghebreyesus on Twitter:
"My best wishes to President @realDonaldTrump and @FLOTUS for a full and speedy recovery."

Kremlin spokesman Dmitry Peskov
"Of course, we wish President Trump a swift recovery."

Israeli prime minister Benjamin Netanyahu on Twitter
"Like millions of Israelis, Sara (Netanyahu's wife) and I are thinking of President Donald Trump and First Lady Melania Trump and wish our friends a full and speedy recovery."

European Council president Charles Michel on Twitter
"Wishing @realDonaldTrump and @FLOTUS a speedy recovery. Covid?19 is a battle we all continue to fight. Everyday. No matter where we live."
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Polish president andrzej duda tweeted
"Our good wishes for speedy recovery to our Friends... Poland and USA will get through the hardships and succeed in fighting Covid19."

France's government spokesman Gabriel Attal
"This demonstrates that the virus spares no one, including those who have shown scepticism. I wish him a swift recovery."

UK housing minister Robert Jenrick
"All of us want to send our best wishes to President Trump, the first lady and the Trump family and wish them a speedy recovery.
"We know what it's like to have, in our case a prime minister who tested positive for Covid, and setting aside politics we all want to see him and his wife get better soon.
"In the US they've got a very clear protocol haven't they, with the vice president, should that be necessary."

Hu Xijin, editor in chief of china's Global Times, tweeted
"President Trump and the first lady have paid the price for his gamble to play down the Covid-19. The news shows the severity of the US’ pandemic situation. It will impose a negative impact on the image of Trump and the US, and may also negatively affect his reelection."

China Daily, the official English language newspaper
"The positive test is yet another reminder that the coronavirus continues to spread, even as Trump has tried desperately to suggest it no longer poses a danger. Since it emerged earlier this year, Trump, the White House and his campaign have played down the threat and refused to abide by basic public health guidelines - including those issued by his own administration - such as wearing masks in public and practicing social distancing. Instead, Trump has continued to hold campaign rallies that draw thousands of supporters. The virus has killed more than 200,000 Americans and infected more than 7 million nationwide."

Taiwan presidential office spokesman's statement
"President Tsai, upon receiving the news, sent her best wishes to the US government via diplomatic channels, hoping that President Trump and his wife can recover at an early date under the professional care of the medical team."

Michael Head, senior research fellow in global health at Britain's University of Southampton
"The President’s profile would classify him as vulnerable. He is aged 74, and reportedly overweight. Many people in their 70s will also have further co-morbidities that increase the risks of a more severe illness."
"It appears that at least one of his close aides has Covid-19, so it is plausible that was the mode of transmission here. However, he has also attended large scale indoor meetings, where good infection control practice was not in evidence. This includes the lack of wearing of face masks among those attending. These are all risk factors for transmission that could be relatively easily reduced to increase safety of the participants, and can support lowering transmission onto high-risk groups."