A UK health minister who mingled with hundreds of people last week is the first MP to have contracted coronavirus.

Nadine Dorries attended a reception at Downing Street with Boris Johnson on Thursday and fell ill on Friday. She is self-isolating after her diagnosis was confirmed last night.

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11 Health Minister Nadine Dorries has contracted coronavirus Credit: DoH

11 Dorries attended a reception at No 10 with Boris Johnson and his pregnant fiancee Carrie Symonds on Thursday Credit: Crown Copyright

11 Dorries, pictured with the PM, is minister for patient safety and drew up plans to tackle coronavirus Credit: Andrew Parsons

Dorries, the minister for patient safety, had played a leading role in drawing up legislation to tackle the deadly virus that has killed six Brits.

Now health officials are scrambling to trace the hundreds of people she came into contact with in the past week including MPs, civil servants and constituents.

The department for health said she first had symptoms last Thursday - the same day she was at a No 10 reception to mark International Women's Day, attended by Boris and his pregnant fiancee Carrie Symonds.

Despite feeling ill, Ms Dorries, 62, went ahead with a surgery in her Mid Bedfordshire constituency on Saturday which was attended by 50 people.

The Tory MP, who was on I'm A Celebrity Get Me Out of Here in 2012, said last night: "I can confirm I have tested positive for coronavirus.

"As soon as I was informed I took all the advised precautions and have been self-isolating at home.

"Public Health England has started detailed contact tracing and the department and my parliamentary office are closely following their advice.

"I would like to thank PHE and the wonderful NHS staff who have provided me with advice and support."

She later tweeted: "Thanks for so many good wishes. It's been pretty rubbish but I hope I'm over the worst of it now.

"More worried about my 84-year-old mum who is staying with me and began with the cough today. She is being tested tomorrow. Keep safe and keep washing those hands, everyone."

Ms Dorries walked through the voting lobbies in the Commons last Wednesday - at a time when she would have been contagious.

Health Secretary Matt Hancock said she has "done the right thing by self isolating at home" after she tested positive.

He added: "I understand why people are worried about this disease. We will do all we can to keep people safe, based on the best possible science."

Sources close to Mr Hancock said he has not been tested for the virus since finding out about Ms Dorries' diagnosis and said he was in "good health with no symptoms," adding: "We don't have any concerns about him".

It is also understood that the PM is yet to take a test either.

11 Tory MP Nadine Dorries was the first campmate evicted from I'm A Celeb in 2012 Credit: ITV

11 She said on Twitter she was 'over the worst' but feared for her elderly mother

11 The minster had been spreading the message on how best to avoid catching coronavirus Credit: Twitter

The news raised speculation that Parliament could be shut down or at least restricted for visitors.

Officials are now scrambling to get in touch everyone she has been in contact with since contracting the killer bug.

Anyone who shows similar symptoms will be tested.

Last night government sources stressed there was no need for anyone to panic about the diagnosis of the first MP.

An official said the advice from the Chief Medical Officer is nobody needs to self-isolate or be tested unless they are informed by the trace-contacting team.

A government source told The Times: "As with everything, we are being guided by the science on this.

"This will be treated like any other standard case. Officials are conducting the standard process of contact tracing and identifying anyone who has shown symptoms."

The news comes as the number of people infected with the killer bug in the UK jumped to 382 on Tuesday.

The most recent patient death took place on Monday night at Watford General Hospital.

The patient, who is believed to have contracted the virus in the UK, was in their eighties and had underlying health conditions.

EASTER PEAK

As cases in the UK rose to 382, top doctors warned the UK could face an Italy-style lockdown in the next fortnight.

Tuesday's jump in cases was the second biggest day-on-day rise, and mirrored Monday's 17 per cent increase.

Professor Francois Balloux of the University College London has said Italy's lockdown method could be "adopted by the UK", as the epidemic at home is "roughly comparable" to the one in northern Italy so far.

Dr Jenny Harris, deputy chief medical officer, fears thousands of Brits will be infected over the next week.

She said: "The chief medical officer and chief scientific adviser say there's likely to be more cases.

"We will have significant numbers in the way that the country is not used to.

"We will see many thousands of people infected by coronavirus, that's what we’re seeing in other countries.

Leading scientists warned the outbreak will increasingly disrupt normal life.

Professor Robert Dingwall, a public health expert at Nottingham Trent University, said: "It's a fair assumption the peak of this outbreak will overlap with the Easter break."

The comments come as Italy's prime minister extended its strict quarantine measures to the entire country as it struggles to contain Europe's worst outbreak of the deadly virus.

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Overall, Italy has recorded 10,149 cases of Covid-19, with 631 deaths, and figures are expected to rise.

Hundreds of flights between the UK and Italy have been cancelled due to the coronavirus, leaving thousands of passengers stranded.

On Monday, England's Chief Medical Officer, Professor Chris Whitty, said Britons with cold, flu or fever symptoms could soon to be asked to stay at home in self-isolation.

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11 People wear medical masks as a precaution against coronavirus in central London Credit: Getty Images - Getty

11 London commuters continued to wear masks on the Tube this morning Credit: London News Pictures

11 A commuter wears a mask on the London Underground Credit: EPA