Where is the anti-lockdown movement headed?
The British public have shown themselves to be predominantly behind the vaccination campaign and mostly tolerant of the lockdown rules still in force.
But there has been a vocal minority who have made their antipathy to both vaccines and Covid rules strongly felt.
Who makes up that group? Some have come under the influence of evidence-free conspiracy theories. What will happen as, if widely expected, lockdown rules ease further in just a few weeks?
The BBC's Marianna Spring reports for Newsnight.
Producer: Jasmin Dyer
Video Journalists: Tobias Chapple, Rachel Judah
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The Anti-Vax Files is a series from Trending on the BBC World Service. Download the podcast or listen online.