Table 1

Characteristics of male blood donors with syphilis, July 2018 to June 2019 (n=46)

Donation monthDonor typeAge groupEthnicity§Possible source of infection and likely timingMale partnersSyphilis statusEvidence of PrEP use
07/2018Repeat31–40White BritishTwo new female partnersNoPastNo
07/2018First-time51–60AsianNone identifiedNoPastNo
08/2018Repeat61–70White BritishNew sexual female partner; 2 months agoNoAcuteNo
09/2018First-time21–30White BritishNone identifiedNoPastNo
09/2018First-time41–50White OtherNone identifiedNoPastNo
09/2018First-time41–50White BritishNew sexual male partner; 3–6 months agoYesAcuteNo
10/2018First-time31–40White BritishKnown past syphilisNoPastNo
10/2018First-time61–70White BritishNone identifiedNoPastNo
11/2018Repeat61–70White BritishNone identifiedNoPastNo
11/2018First-time31–40White BritishKnown past syphilisNoPastNo
11/2018Repeat31–40White BritishWife diagnosed with syphilisNoAcuteNo
11/2018First-time31–40White BritishKnown past syphilisNoPastNo
11/2018First-time51–60Black AfricanKnown past syphilisNoPastYes*
12/2018First-time21–30Black AfricanNone identifiedNoPastNo
12/2018Repeat21–30White BritishMale partnersYesPastNo
01/2019Repeat51–60White BritishNew sexual female partner; few months agoNoAcuteNo
01/2019Repeat51–60White BritishNew sexual female partner; few weeks agoNoAcuteNo
01/2019Repeat31–40White BritishNew sexual female partner; 5 months agoNoAcuteNo
01/2019Repeat51–60White BritishNone identifiedYesPastNo
02/2019First-time21–30White BritishNone identifiedYesAcuteNo
02/2019Repeat41–50White BritishNone identifiedNoAcuteNo
02/2019First-time41–50White OtherKnown past syphilisNoPastNo
02/2019Repeat51–60UnknownNew sexual female partner; few months agoNoAcuteNo
02/2019First-time21–30White BritishNo responseNoPastNo
03/2019Repeat41–50White BritishKnown past syphilis (year ago)YesPastYes†
03/2019Repeat41–50White BritishNew sexual female partner; 1 month agoNoAcuteNo
03/2019First-time31–40White BritishKnown past syphilisYesPastNo
03/2019First-time31–40OtherKnown past syphilisNoPastNo
03/2019First-time41–50AsianNone identifiedNoPastNo
04/2019First-time31–40White OtherNo responseYesPastYes‡
04/2019First-time31–40White OtherKnown past syphilisYesPastNo
04/2019Repeat41–50AsianNone identifiedNoPastNo
04/2019First-time31–40AsianKnown past syphilisNoPastNo
04/2019First-time31–40White BritishKnown past syphilisYesPastNo
05/2019First-time31–40White OtherNone identifiedNoPastNo
05/2019First-time51–60AsianNone identifiedNoPastNo
05/2019First-time31–40White BritishNone identifiedNoPastNo
05/2019First-time41–50White OtherKnown past syphilisYesPastNo
05/2019Repeat21–30White BritishMale partnerYesAcuteNo
05/2019Repeat31–40White BritishMale partnersYesPastNo
05/2019First-time61–70White BritishFemale partnersNoPastNo
06/2019First-time31–40White OtherFemale partnersNoAcuteNo
06/2019First-time31–40AsianNone identifiedNoPastNo
06/2019First-time21–30White BritishMale partner years ago, now female partnersYesAcuteNo
06/2019First-time41–50Black AfricanKnown past syphilisNoPastNo
06/2019First-time51–60AsianNone identifiedNoPastNo
  • Known past syphilis infection is marked in red; past syphilis is a contra-indication for blood donation.

  • *TFV 73.58 ng/mL, FTC 748.46 ng/mL.

  • †TFV 210.52 ng/mL, FTC 412.78 ng/mL.

  • ‡TFV 39.96 ng/mL, FTC not detected.

  • §Asians included individuals born India (n=4), Pakistan (n=2) and Bangladesh (n=1); White Other included those born in Romania (n=4) and one born in Turkey, Luxembourg and Spain; Black Africans were from Ghana (n=1) and Uganda (n=1); an indivual classed as Other was born in Brazil.

  • FTC, emtricitabine; PrEP, pre-exposure prophylaxis; TFV, tenofovir.