This month, Virtual Mentor's theme issue editor for March 2012, Alon Neidich, interviewed Dr. Al Roth about the growing importance of paired kidney exchanges for incompatible patient-donor pairs.

Prof Ana Santos Rutschman talks about the impact of intellectual property regimes on domestic and global responses to the COVID-19 pandemic.

Dr Steven Goodman talks about the ethical and scientific implications of breaking the blind of placebo-controlled COVID-19 vaccine trials.

Dr Arthur Caplan talks about ethical issues surrounding the development, production, and use of potential SARS-CoV-2 vaccine.

Dr Caleb Alexander examines the US Food and Drug Administration's controversial decision to approve aducanumab for the treatment of Alzheimer's Disease.

Drs Stefano Bertozzi and Jeffrey Mackie-Mason talk about business models of scientific publishing that advance biomedical knowledge and discovery.

We really can't promise both more transplants and better outcomes. The controversies over organ allocation really represent intellectual exhaustion in the face of a long series of inadequate policy responses to the decade-long trend of the kidney supply increasing only at the expense of organ quality and patient outcomes.

Caring for severe burn injuries in low- and middle-income countries requires making decisions about resource allocation given particular contextual factors.

Unclear regulations and informal data gathering on immigrants who receive or donate organs can cause mistrust and suspicion of the organ allocation system and affect donation rates.