[\'Hospital da Luz Lisboa, Lisbon, Portugal; NOVA Medical School, Universidade Nova de Lisboa, Lisbon, Portugal. Electronic address: joaorcostamendes@gmail.com.\', \'Hospital da Luz Lisboa, Lisbon, Portugal.\']
Serratia marcescens outbreak in a COVID-19 intensive care unit - Are there any factors specific to COVID-19 units that facilitate bacterial cross-contamination between COVID-19 patients?