Which organization shares joint reporting procedures with the Medicines and Healthcare Products Regulatory Agency (MHRA).

The question asks which organization shares joint reporting procedures with the Medicines and Healthcare Products Regulatory Agency (MHRA).

• The Medicines and Healthcare Products Regulatory Agency (MHRA) is responsible for regulating medicines and medical devices in the UK.
• Serious Hazards of Transfusion (SHOT) is the UK's independent, professionally-led haemovigilance scheme, which collects and analyzes data on serious hazards of transfusion. The MHRA and SHOT work closely together, and there are established joint reporting procedures for adverse events related to blood transfusions.

The other options are not the primary organizations with which MHRA shares joint reporting procedures in this specific context.

The correct option is Serious Hazards of Transfusion (SHOT).

The final answer is $\boxed{\text{Serious Hazards of Transfusion (SHOT)}}$