- The controversial term "patient zero" emerged in the 1980s in reference to a HIV patient
- Now, experts weigh in on when the term has been used in other cases and what it means
- "There are plenty of potential patient zeroes out there," one expert says
(CNN)When a researcher's scrawling of the letter O was misinterpreted as a zero in reference to a HIV patient in the early 1980s, the provocative term "patient zero" was born.
Super-spreaders vs. super-shedders
Go to CNN.com/unseenenemy for more stories and resources about epidemics, pandemics and the CNN Films documentary, "Unseen Enemy."