Nurses from Norfolk's health trust - including the region's biggest hospital - will not be participating in strike action next week.
The Royal College of Nursing (RCN) confirmed Norfolk and Norwich University Hospital (NNUH) will not be involved in the walkout in December.
Up to 100,000 staff will be taking part in the strikes on December 15 and 20 across England, Wales and Northern Ireland.
Members of the union will take action at half of its locations in England after the legal mandate for strikes was secured in November.
The number of NHS employers affected by action is set to increase in January unless negotiations are held.
This could include Norfolk nurses at that point.
The move comes amid a dispute over pay after government officials declined a formal offer of negotiations rather than strike action.
Pat Cullen, general secretary and chief executive of the RCN, said: "Ministers have declined my offer of formal pay negotiations and instead chosen strike action.
"It has left us with no choice but to announce where our members will be going on strike in December.
"Nursing is standing up for the profession and their patients. We’ve had enough of being taken for granted and being unable to provide the care patients deserve.
"Ministers still have the power and the means to stop this by opening negotiations that address our dispute."
The RCN confirmed the full list of members participating in the first round of strike action are:
- East Midlands Kettering General Hospital NHS Foundation Trust
- East Midlands NHS Nottingham and Nottinghamshire ICB
- East Midlands Northamptonshire Healthcare NHS Foundation Trust
- East Midlands Nottingham University Hospitals NHS Trust
- East Midlands Nottinghamshire Healthcare NHS Foundation Trust
- Eastern Cambridge University Hospital NHS Foundation Trust
- Eastern Cambridgeshire and Peterborough NHS Foundation Trust
- Eastern Cambridgeshire Community Services NHS Trust
- Eastern Hertfordshire Community NHS Trust
- Eastern NHS Hertfordshire and West Essex ICB
- Eastern Royal Papworth Hospital NHS Foundation Trust
- London Great Ormond Street Hospital for Children NHS Foundation
- Trust
- London Guys and St Thomas NHS Foundation Trust
- London Imperial College Healthcare NHS Trust
- London NHS North Central London ICB
- London Royal Marsden NHS Foundation Trust
- North West Alder Hey Children’s NHS Foundation Trust
- North West Health Education England
- North West Liverpool Heart and Chest Hospital NHS Found Trust
- North West Liverpool University Hospitals NHS Foundation Trust
- North West Liverpool Women’s NHS Foundation Trust
- North West Mersey Care NHS Foundation Trust
- North West The Clatterbridge Cancer Centre NHS Found Trust
- North West The Walton Centre NHS Foundation Trust
- Northern Gateshead Health NHS Foundation Trust
- Northern Northumbria Healthcare NHS Foundation Trust
- Northern The Newcastle Upon Tyne Hospitals NHS Foundation Trust
- South East Oxford Health NHS Foundation Trust
- South East Oxford University Hospitals NHS Foundation Trust
- South East Royal Berkshire NHS Foundation Trust
- South West Devon Partnership NHS Trust
- South West Gloucestershire Health and Care NHS Foundation Trust
- South West Gloucestershire Hospitals NHS Foundation Trust
- South West Great Western Hospitals NHS Foundation Trust
- South West NHS Bath, North East Somerset, Swindon and Wiltshire ICB
- (BSW Together)
- South West NHS Devon ICB (One Devon)
- South West NHS Gloucestershire ICB (One Gloucestershire)
- South West North Bristol NHS Trust
- South West Royal Devon University Healthcare NHS Foundation Trust
- South West Royal United Hospitals Bath NHS Foundation Trust
- South West Torbay and South Devon NHS Foundation Trust
- South West University Hospitals Bristol and Weston NHS Foundation
- Trust
- South West University Hospitals Plymouth NHS Trust
- West Midlands Birmingham Women's and Children's NHS Foundation Trust
- West Midlands Herefordshire and Worcestershire Health and Care NHS
- Trust
- West Midlands NHS Birmingham and Solihull ICB (BSol ICB)
- West Midlands The Royal Orthopaedic Hospital NHS Foundation Trust
- West Midlands University Hospitals Birmingham NHS Foundation Trust
- West Midlands Worcestershire Acute Hospitals NHS Trust
- Yorkshire & Humber Bradford Teaching Hospitals NHS Foundation Trust
- Yorkshire & Humber Leeds Community Healthcare NHS Trust
- Yorkshire & Humber NHS England
- Yorkshire & Humber The Leeds Teaching Hospitals NHS Trust
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