Abstract
A mother brings her 15-year-old son to your evening surgery as an emergency. He started with a headache, lethargy and muscle aching yesterday after returning home from school. Today he has been vomiting and has developed a fever. His mother is now worried as he appears to have become confused this afternoon. On examination, he is alert but with intermittent confusion. His temperature is 37.6°C. There is no photophobia, neck stiffness or rash.
What is the MOST LIKELY cause of this patient's current symptoms? Select ONE option only.
Aspirin overdose Ecstasy Haemophilus influenzae B Herpes simplex Meningococcus