| Cases 1–13: self reported prior presentation to health care with seroconversion symptoms | ||||
| Case | Ethnicity, sexuality, gender | Symptoms | Diagnosis patient recalls being given | Healthcare provider |
| 1 | White MSM | Fever, sore throat, swollen glands, arthralgia | Tonsillitis | GP |
| 2 | White heterosexual female | Fever, sore throat, diarrhoea, headache | Tonsillitis | A&E |
| 3 | White heterosexual female | Rash, sore throat, swollen glands, weight loss | Glandular fever | GP |
| 4 | White MSM | Fever, rash, flu-like symptoms | Viral infection | GP |
| 5 | White MSM | Fever, abdominal pain, flu-like symptoms | Low platelets | GP |
| 6 | White MSM | Fever, sore throat, malaise, weight loss, headaches | Bacterial infection | GP |
| 7 | White MSM | Fever, sore throat | Bacterial infection | GP |
| 8 | White MSM | Fever, sore throat, flu-like symptoms | Bacterial infection | GP |
| 9 | White MSM | Rash, sore throat, flu-like symptoms | Bacterial infection | GP |
| 10 | White MSM | Fever, rash, flu-like symptoms | Not specified | GP |
| 11 | White MSM | Fever, rash, sore throat, lymphadenopathy, mouth sores | Not specified | GP |
| 12 | White MSM | Flu-like symptoms | Not specified | GP |
| 13 | White MSM | Fever, sore throat, diarrhoea, | Not specified | A&E |
| Cases 14–19: laboratory evidence of prior presentation to health care with seroconversion symptoms | ||||
| Case | Ethnicity, sexuality, gender | Clinical information on blood form | Laboratory tests requested | Healthcare provider |
| 14 | White MSM | Rash, streptococcal | ASOT titre | GP |
| 15 | White MSM | History malaise, cough, swollen glands | FBC, U&E, LFTs, CMV+ EBV serology, monospot | GP |
| 16 | White MSM | Fever returning from Kenya | FBC, U&E, LFTs, blood film | GP |
| 17 | White MSM | Diarrhoea, malaise | FBC, U&E, LFTs, ESR, stool culture | GP |
| 18 | White bisexual male | Sore throat 3 weeks | FBC, U&E, LFTs, monospot test | A&E |
| Infectious mononucleosis | Throat culture | |||
| 19 | White MSM | HIV | Fourth generation HIV test | GUM clinic |
A&E, accident and emergency; ASOT, antistreptolysin-O-test; CMV, cytomegalovirus; EBV, Epstein-Barr virus; ESR, erythrocyte sedimentation rate; FBC, full blood count; GP, general practitioner; GUM, genitourinary medicine; LFT, liver function tests; MSM, men who have sex with men; U&E, urea and electrocytes