Needle stick injury in non-comparative studies of healthcare workers wearing personal protective equipment.

<p>Abbreviations: CI = confidence interval; n = number of events; N = number of HCWs at risk for whom we knew the PPE worn. ^aMost studies did not provide data on all healthcare workers; only workers with available data were included. ^bOne case report on filovirus (Martini 1969) was also identified. ^cOne case report on Crimean-Congo hemorrhagic fever (Tutuncu 2009) was also identified.