COVID-19 has brought up the interest about hyperferritinemic syndromes.  Though often seen in COVID-19, especially within the frame of COVID-CSS, hyperferritinemia needs a systematic diagnostic approach, as co-infections or other causes may also increase ferritin. In this article, we present a case report of extreme hyperferrinemia in an male criticall ill patient with COVID-19 and we perform a short synthesis of the available literature. Continue reading →