The hashtag #prayfordiane has been trending on Twitter after the shadow home Secretary claimed she was too sick to attend the House of Commons and vote on Article 50.
The MP for Hackney North and Stoke Newington has since faced calls to resign her position after Jeremy Corbyn called a three-line whip calling on MPs to back the Government’s plans to push forward with Brexit.
Ms Abbott is one of the most pro-EU members of the Labour Party and is widely assumed she deliberately avoided the vote.
Teasing the Labour politician on This Week, Neil said the nation’s “heart sank” on hearing Ms Abbott had been "taken ill".
He said: “I can tell you Diane Abbott is on her way to full recovery, hashtag #prayfordiane. The nation’s heart sank when it learned that she’d been struck down by a dose of Brexit flu last night.
Andrew Neil mocks Diane Abbott over her missing the Brexit vote
I can tell you Diane Abbott is on her way to full recovery
“It’s been doing the rounds here in Westminster especially on the Labour benches and is known to be particularly virulent when it strikes just before a key vote on leaving the EU.
“It was a lucky break for the Government, which with Diane in intensive care in the back room of a Brexit bar in Hackney, the Government managed to scrape through the vote on Article 50 with a tiny majority of only 384.”
Andrew Neil sent his best to Diane Abbott, a former regular on BBC This Week
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Viewers took to Twitter to express both their frustration and sympathy for Ms Abbott.
Sarah Melv tweeted: "I hope Diane Abbott gets well soon and doesn't miss any more electorally inconvenient votes any time soon #prayfordiane"
James Alexander suggested there was a reason behind the MP’s illness. He said: "Now there is a #prayfordiane trend, which seems appropriate. Politics is hard, Diane should know that and vote instead of hiding."
While another viewer said: "Sending light and love to @HackneyAbbott at this difficult time… #PrayForDiane #ShowDianeWeCare"
May's Brexit speech: World reacts LIVE Tue, January 17, 2017
Politicians and celebrities tweet their reaction as Theresa May unveils her 12 point plan for Britain leaving the EU.
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President of the European Council, Donald Tusk tweets his frustration.
Ms Abbott, a close ally of Labour leader Jeremy Corbyn, failed to vote after complaining of a migraine and leaving Westminster two hours before the division in the Commons at around 5pm.
Her position has been met with disdain from MPs, partially due to the fact the she had given a speech in Westminster only hours before and was also pictured in a local pub the night before the vote.
Labour MP John Mann said Ms Abbott's position was "outrageous" given that at least four "very, very, ill" MPs, some of whom recently had life-saving operations, turned up for the vote.
Three shadow cabinet members resigned from the frontbench before the vote so they could defy Mr Corbyn's orders and oppose the bill.
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