Haemophagocytic lymphohistiocytosis secondary to COVID-19: a case series. (November 2021) - Flower, Luke; Laundy, Nick; Khosravi, Maryam; Buckley, Jim; Gale, Aislinn; Kumar, Inder D; Otenigbagbe, Oluwatomisin; Tattersall, Rachel S; Manson, Jessica J; Quick, Vanessa