Journal
LANCET
Volume 361, Issue 9368, Pages 1519-1520Publisher
LANCET LTD
DOI: 10.1016/S0140-6736(03)13168-6
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- PHS HHS [A95357] Funding Source: Medline
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We did a case-control study in five Hong Kong hospitals, with 241 non-infected and 13 infected staff with documented exposures to 31 index patients with severe acute respiratory syndrome (SARS) during patient care. All participants were surveyed about use of mask, gloves, gowns, and hand-washing, as recommended under droplets and contact precautions when caring for index patients with SARS. 69 staff who reported use of all four measures were not infected, whereas all Infected staff had omitted at least one measure (p=0.0224). Fewer staff who wore masks (p=0.0001), gowns (p=0.006), and washed their hands (p=0.047) became infected compared with those who didn't, but stepwise logistic regression was significant only for masks (p=0.011). Practice of droplets precaution and contact precaution is adequate in significantly reducing the risk of infection after exposures to patients with SARS. The protective role of the mask suggests that in hospitals, infection is transmitted by droplets.
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