Continuing on from Lockdown Limericks 3, Highs and Lows and Lateral Flows, these daily verses follow our pandemic in the UK from 17th March 2022 to 2nd October 2022 as two further waves of the Covid Omicron variants, BA.2 and BA.5 sweep over a country in considerable constitutional turmoil. From confidence votes to tax cuts, Monarchy, monkeypox and Mick Jagger, Nazanin, non-doms and night sweats, Lionesses and living with Covid, Lockdown Limericks 4, the last in the series, chronicles in light-hearted verse, our experiences over this extraordinary period. This final book is dedicated to the author's mother, Eileen Baldock. The author's royalties will be used to support research into kidney disease.