Global reporting of cases of COVID‐19 in psoriasis and atopic dermatitis: an opportunity to inform care during a pandemic

We read with interest the article in the BJD by Gambichler and colleagues 1 about a decline of programmed death (PD)-1 + circulating T regulatory cells (Tregs) predicting clinical outcome in anti-PD-1 therapy. The study highlights the potential and importance of immune monitoring in anti-PD-1 checkpoint therapy in malignant melanoma.