Received: 28 September 2018
Accepted: 15 October 2019
First Online: 12 November 2019
Compliance with ethical standards
: CWM and DLH love vampire tales. CWH and HF are consultant haematologists and DLH haematologist in training, which may have biased the interpretation of symptoms. Beyond this, ST declares that she has no conflict of interest. CWM declares that he has no conflict of interest. HF declares that he has no conflict of interest. DLH declares that he has no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors. Given the retrospective nature of the study, formal consent is not required.
: Informed consent was not obtained, as all persons described are factitious, literary entities.