@article {galanis2021seroprevalence,
	title = {Seroprevalence of SARS-CoV-2 antibodies and associated factors in healthcare workers: a systematic review and meta-analysis},
	journal = {Journal of Hospital Infection},
	volume = {108},
	year = {2021},
	pages = {120{\textendash}134},
	publisher = {WB Saunders},
	author = {Galanis, Petros and Vraka, Irene and Fragkou, Despoina and Bilali, Angeliki and Kaitelidou, Daphne}
}
