The doctors at VGH also failed to diagnose malaria, but sent the patient for a PET brain scan. A tube in the system used to inject the radioactive tracer compound became contaminated with the malaria parasite, and because it was used for subsequent patients, it led to seven people being infected with malaria.
醫生看不出他感染瘧疾，為他作電腦斷層檢查，由於使用的顯影注射套組遭到瘧原蟲汙染，卻未經更換繼續使用，導致隨後檢查的七名病患都感染瘧疾。