Almost two thirds support doctors - pollpublished at 09:01 Greenwich Mean Time 9 March 2016
Here are some graphs following that polling for the BBC, which suggest support for junior doctors in the strike remains strong.
BBC
Summary
A third strike by junior doctors in their contract row with the government in England is under way
The walkout started at 08:00 GMT on Wednesday and will last 48 hours - the longest strike so far
More than 5,000 treatments have been postponed
Thousands of check-ups, appointments and tests have also been affected
Ministers announced last month they would impose a contract on junior doctors
Almost two thirds support doctors - pollpublished at 09:01 Greenwich Mean Time 9 March 2016
Image caption, Doctors on the picket linepublished at 09:00 Greenwich Mean Time 9 March 2016
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End of twitter post 2Imposed contract row in Englandpublished at 08:57 Greenwich Mean Time 9 March 2016
Image source, AFPToday's strike comes after ministers announced last month that they would impose its controversial new contract on junior doctors in England.
If you are unsure what the ongoing dispute is about, there are a number of explainers on the BBC website about the background to today's walkout.
'Robust plans' in place in hospitalspublished at 08:54 Greenwich Mean Time 9 March 2016
BBC Radio 5 LiveAnne Rainsberry, from NHS England, has told BBC Radio 5 live it will be a difficult couple of days for the NHS, but arrangements have been made to protect care.
Quote MessageWe've been working very, very closely with hospitals across England to ensure there are robust plans to minimise the action over the next forty eight hours. Urgent and emergency care will continue. Junior doctors are continuing to provide that. What is affected is some planned care, so that's operations and check-ups, and some of those will be delayed. And we think that will be around 5,000 procedures over the next couple of days.
Thousands of treatments cancelledpublished at 08:50 Greenwich Mean Time 9 March 2016
More than 5,000 treatments have been postponed ahead of the strike.
NHS bosses warned the walkout is going to be "difficult" for health service as the series of strikes is beginning to take its toll.
It said 19,000 treatments have been postponed in total because of the three stoppages this year. The treatments that are being hit are all non-emergency procedures, including routine operations such as hip and knee replacements.
Thousands of check-ups, appointments and tests have also been affected as well.
Polls suggests support for doctorspublished at 08:41 Greenwich Mean Time 9 March 2016
The walkout comes as a poll for the BBC, released on the eve of the strike, suggests that public support for doctors is holding firm.
Of 860 adults questioned by Ipsos MORI, 65% said they supported doctors going on strike - almost the same proportion as backed them ahead of the walkout last month. Some 17% said they were against the strike, a drop from 22% last time.
The poll did show an increase in the proportion of people blaming both sides for the dispute - 28%, up from 18%. However, the majority - 57% - still blame the government.
Junior doctors' strike beginspublished at 08:33 Greenwich Mean Time 9 March 2016
Good morning and welcome to our live coverage of the third strike by junior doctors in England. The strike began at 08:00 GMT and will last for 48 hours - the longest in the dispute with the government so far.
This week's walkout is the first of three 48-hour stoppages planned by the British Medical Association as they continue their fight against the government's plans to force through changes to pay and conditions. The next two are planned for April.