Last night two photos were released of Trump working at Walter Reed Medical Center, where he's currently hospitalised with Covid-19 - but all is not as it seems.

They were shared by many of the president's supporters - including his daughter, Ivanka - as evidence that he's continuing to work while in hospital.

But journalist Jon Ostrower points out , externalthat the photos' metadata reveals they were taken within 10 minutes of each other.

Given that Trump is shown in two different locations, wearing different outfits, the close time stamps suggests they were staged.

Image source, Reuters

Image source, Reuters

Image source, EPA

A crowded event at the White House Rose Garden, attended by Trump just days before he tested positive for Covid has come under intense scrutiny. Footage shows people sitting close together, hugging, and not wearing masks.

Trump's physician Dr Sean Conley has said his team is working with the Centers for Disease Control and Prevention (CDC) to trace contacts from the event.

But a federal official close to the matter has cast doubt on the claim. Dr Scott Gottlieb, former commissioner of the Food and Drug Administration, told CBS he'd spoken to a number of officials who were at the Rose Garden event who hadn't heard from contact tracers.

"They have an obligation to understand how the infection was introduced into that environment," Dr Gottlieb told CBS, external.

"They might not be able to pinpoint it, but they should be very aggressive in a forensic analysis to try to find what the source of the infection was... and to understand who else could be at risk."

"There doesn't seem to be a very concerted effort under way," he said, adding it was "concerning" that contact tracing did not appear to be taking place.

Read more about the controversial Rose Garden event here.

The US Centers for Disease Control and Prevention (CDC) has released the latest figures for number of cases and deaths in the US.

It said there had been 49,327 new infections, bringing the total number to 7,359,952, while fatalities had risen by 703 to 208,821.

Read more here., external

Mr Trump has tweeted again, pointing people to a link urging them to vote for him.

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House Speaker Nancy Pelosi has said she is happy with the "reliability of the testing" in Congress.

"I think it's better than what is at the White House or else the president might not have been exposed on the basis of a false negative that may have put him at risk," she told CBS, external.

"We don't know where he got it, but we do know that there was a negative test for somebody with close proximity to the president."

Her comments come as concerns continue to grow that more lawmakers, external could become infected after three Republican senators tested positive for Covid-19 at the end of last week.

Vice-President Mike Pence and his wife Karen again tested negative for coronavirus on Sunday, the White House said in a statement.

Pence is still campaigning ahead of November's presidential election as the president is treated in Walter Reed.

If Trump becomes too ill to work, then Pence would be handed the powers of the presidency.

You can read more about how that works here

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Trump's chief of staff, Mark Meadows, was revealed to be the anonymous source who told reporters on Saturday the president's vital signs over the previous 24 hours had been "very concerning" and that the next 48 hours would be critical.

On Sunday Dr Sean Conley said Meadows's statement had been "misconstrued".

A photograph taken today during Conley's press conference shows the chief of staff sitting with his head in his hands outside the Walter Reed Medical Center.

Image source, Reuters

When Trump first revealed he had Covid-19, Joe Biden - Trump's opponent in next month's presidential election - said he would suspend all negative campaigning.

However, he hasn't suspended campaigning altogether. For example, in this tweet he reminds voters that there are now only 30 days to go until polling day.

Since Trump's diagnosis Biden's poll lead has widened by about 10 points, according to a poll from Reuters and Ipsos released today.

The same poll suggests most American voters think Trump could have avoided getting Covid-19 if he had taken the virus more seriously.

Tara McKelvey
BBC News, Washington

The president likes to speak directly to the public and has often kept his own spokespeople out of the loop. His days at hospital have been particularly challenging for those who work for him.

The conflicting messages showed the problems inherent for Team Trump. They have not provided regular, transparent updates about his health in part because there has never been a coherent method of communicating the president's messages.

He has always preferred to be his own spokesman, and his aides have deferred to him. Now he is not well, and his aides have floundered.

Image source, Reuters

On Saturday White House Chief of Staff Mark Meadows revealed that Trump's condition a day earlier was far worse than officials had made public. This was revealing on different levels. Journalists frequently grant permission to officials to speak off the record to obtain information.

On this occasion, however, their exchange was inadvertently captured on camera: it was a "Washington Gaffe", a term coined by journalist Michael Kinsley to describe the moment when a politician expresses candidly what they and others think but do not say out loud.

Meadows' remarks showed the president's team were not consistent in their views or in their messaging, revealing the discord and chaos unfolding behind the scenes. Above all, it showed they were deeply concerned about the president's health.

As we reported earlier, another employee at the White House has tested positive for coronavirus as the number of confirmed infections among Trump's inner circle continues to rise.

Trump's personal assistant, Nick Luna, tested positive for Covid-19 on Saturday.

Luna, whose official title is the Director of Oval Office Operations, travels frequently with the president.

He attended the first presidential debate in Cleveland on Tuesday as well as other more recent events.

Trump was given supplemental oxygen on Friday, and is now being treated with dexamethasone, a steroid given for serious Covid-19 infections.

However his doctors insist the president is recovering well. You can watch Dr Sean Conley describe the president's condition in more detail here:

Image source, EPA

The briefing with Trump's medical team is now over. Here's what we've learned:

• Trump is being treated with dexamethasone, a steroid that's given to patients with severe or critical Covid-19, in order to help their lung function
• Despite this, Dr Sean Conley says the team was planning for Trump to potentially be discharged from Walter Reed Medical Center as early as Monday, to continue his course of treatment at the White House
• The president has had two dips in his oxygen saturation level since Thursday - one episode where it fell below 94% and another where it was below 93%
• Dr Conley recommended the president be given supplemental oxygen. Although Trump was adamant that he didn't need it ,he was given oxygen
• On Friday Trump was up and out of bed, but it was decided that he should go to Walter Reed

• Asked why he didn't reveal Trump had received oxygen earlier, Dr Conley said: "I was trying to reflect the upbeat attitude of the team... The fact of the matter is, he's doing really well."

President Trump's doctors said he was now being treated with dexamethasone after "a few episodes of transient drops in oxygen saturation".

But what is the drug?

Dexamethasone is a steroid - a medicine that reduces inflammation by mimicking anti-inflammatory hormones produced by the body. It's been hailed as a major breakthrough in treating Covid-19.

Coronavirus infection triggers inflammation as the body tries to fight it off.

But sometimes the immune system goes into overdrive and it's this reaction that can prove fatal - the very reaction designed to attack infection ends up attacking the body's own cells.

Dexamethasone calms this effect.

It's only suitable for people who are already in hospital and receiving oxygen or mechanical ventilation - the most unwell.

The drug does not work on people with milder symptoms, because suppressing their immune system at this point would not be helpful.

You can read more here

Dr Conley tells reporters that Trump could be discharged to the White House as early as tomorrow, where he can continue his course of treatment.

He adds that the president is "doing really well", before ending the press conference.

Dr Conley adds that Trump's oxygen dropped below 93% yesterday, and he felt short of breath. He was treated with dexamethasone after this.

His current blood oxygen level is now 98% and there is "no major clinical concern", he adds

Trump's doctor, Dr Sean Conley, says the president has been treated with dexamethasone after "a few episodes of transient drops in oxygen saturation". He received his first dose yesterday.

He said that although Trump was doing well on Thursday night, on Friday morning his oxygen was dipping below 94% and he had a high fever.

His oxygen then recovered and dipped again, and while he was "up and out of bed" later on Friday, they took the decision to move him to Walter Reed.

Trump's medical team has just approached the podium outside the Walter Reed Medical Center, to hold a briefing on the president's condition.

We will bring you live updates.

Image source, Reuters

Dr Sean Conley has been offering updates on the president's condition. What do we know about him?

We're expected to get an update from Trump's doctor, Sean Conley, at about 16:30 BST.

He's going to be speaking outside the Walter Reed National Military Medical Center, where Trump is currently being treated for Covid-19.

Yesterday Conley gave a briefing that suggested Trump had tested positive for the virus on Wednesday, a day before he attended a fundraiser in New Jersey.

White House officials later clarified that Trump was diagnosed on Thursday evening.

Image source, Reuters

National Security Adviser Robert O'Brien has said Trump will stay in hospital "for a period of time".

O'Brien told CBS News that Trump "actually wants to get back to the White House and get back to work, but I think he's going to stay a Walter Reed [Medical Center] for at least another period of time".

He added that days seven and eight are "the critical days" for someone with Covid-19, and that "the doctors want to make sure that they're there for the president and he's getting the best treatment and he's doing well".

According to the White House's timeline, day eight will be Thursday