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Table 1 Overview of most relevant events

From: A case report of transfusion-transmitted Plasmodium malariae from an asymptomatic non-immune traveller

Date Donor/Recipient Event
August 2005 Donor Visit to Kenya, Tanzania and Zanzibar
3 April 2006 Donor First visit to blood bank for examination and giving blood samples for testing
4 May 2006 Donor Blood donation #1
2 August 2006 Donor Blood donation #2
Aug – Sept 2006 Donor Visit to Thailand (only to low risk areas for malaria, no precautions required)
9 November 2006 Donor Blood donation #3
27 February 2007 Donor Blood donation #4 at a thrombocyte count of 141 × 109/L
22 May 2007 Donor Blood donation #5 at a thrombocyte count of 94 × 109/L
29 May 2007 Donor Informed about thrombocytopenia; referred to GP
14 August 2007 Donor Blood donation #6
September 2007 Donor Visit to Costa Rica
26 May 2008 Donor Blood donation #7
25 August 2008 Donor Blood donation #8
17 November 2008 Donor Blood donation #9
11 February 2009 Donor Blood donation #10
8 June 2009 Donor Blood donation #11
3 December 2009 Donor Blood donation #12
1 March 2010 Donor Blood donation #13
10 May 2010 Donor Blood donation #14
9 February 2011 Donor Blood donation #15
14 February 2011 Recipient Coronary-artery bypass surgery and transfusion of red blood cell concentrate from blood donation #15
14 April 2011 Recipient Diagnosis P. malariae infection
14 April 2011 Donor Informed about post-transfusion malaria infection in recipient
7 June 2011 Donor Blood collection for malaria tests
23 June 2011 Donor First laboratory evidence for subclinical P. malariae infection in specimen collected on 7 June 2011
17 August 2011 Donor First visit to Harbour hospital and initial examination
8 November 2011 Donor Second visit to Harbour hospital; confirmation of on-going, subclinical P. malariae infection
10 November 2011 Donor Start oral chloroquine treatment