Risk assessments

Risk assessments are reviewed by the Standing Advisory Committee on Transfusion Transmitted Infection (SACTTI) on a regular basis or whenever significant changes are identified. The dates of most recent review are given below.

Risk assessments are available on request. Please contact JPACOffice@nhsbt.nhs.uk for more information.

2025

May

Borrelia burgdorferi (Lyme Disease)

May

H5N1 zoonotic Influenza A

May

Usutu virus (USUV)

January

Chikungunya virus (CHIKV)

January

Mpox virus (MPXV)

January

Variant Creutzfeldt-Jakob disease (vCJD)

April

Leishmania

March

Babesia

January

Yellow Fever virus

2024

September

Human parvovirus B19 (B19V)

September

Simian foamy virus (SFV)

September

Zika virus (ZIKV)

August

Middle East respiratory syndrome coronavirus (MERS-CoV)

April

Ebola virus (EBOV)

April

Tick-borne encephalitis virus (TBEV)

2023

October

Crimean-Congo haemorrhagic fever (CCHF)

September

Dengue virus (DENV)

September

Human herpesvirus 8 (HHV-8)

September

Human parvovirus 4 (PARV4)

June

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)

June

Toxoplasma gondii (toxoplasmosis)

May

Lymphocytic choriomeningitis virus (LCMV)

2022

November

Hepatitis A virus (HAV)

2019

June

Severe acute respiratory syndrome coronavirus 1 (SARS-CoV-1)

June

Xenotropic murine leukaemia-related virus (XMRV)

January

Seasonal Influenza A (non-pandemic)

2017

May

Hepatitis E virus (HEV)