SARS‐CoV‐2 serology in patients on biological therapy or apremilast for psoriasis: a study of 93 patients in the Italian red zone.

SARS-CoV-2 serology in patients on biological therapy or apremilast for psoriasis: a study of 93 patients in the Italian red zone Finally, we used the serological data to determine the usefulness of an over-the-phone questionnaire for SARS-CoV-2 positivity performed by Brazzelli I et al i .3 on the same cohort of psoriatic patients. None of the 12 positive patients had a severe infection or required hospitalisation due to SARS-CoV-2 infection. [Extracted from the article]