ABSTRACT
A 17-year-old woman presented to hospital complaining of a rash and profound lethargy. The rash initially began over her face and neck and then spread to involve her trunk. For the preceding 5 days, she had been experiencing coryzal symptoms, headaches, fevers and joint pains. Her medical history included childhood asthma. She took no regular medications and had no known drug allergies. She lived with her mother and had one regular sexual partner. She worked as a receptionist and did not smoke or drink alcohol. She had not travelled abroad for more than 5 years. The patient's friends, family and colleagues were not known to be unwell.
