@SRD - you were right, she was wrong. No obligation to run over anyone walking on the road or on 'wrong side' of shared use footpath either.
Basically she saw you and simply had to go wider. We did that all the time in the pre-CV-19 city centre.
National reports UKGov are 're-inventing' calendar with a 30th February inserted this year...
"Van-Tam told the daily Downing Street briefing: "On the question of quarantine: why didn't we do it previously? And we're talking subject to ministerial announcements about maybe doing it now. Um, well my recollection is we did do it before. On the 29th of February and then I think on the 30th of February we announced that travellers returning from the hotspots of Wuhan. They had to self-isolate at home for 14 days.""