期刊
REVISTA DO INSTITUTO DE MEDICINA TROPICAL DE SAO PAULO
卷 63, 期 -, 页码 -出版社
INST MEDICINA TROPICAL SAO PAULO
DOI: 10.1590/S1678-9946202163074
关键词
SARS-CoV-2 hospital cross-contamination; Healthcare workers' mobile phones; SARS-CoV-2 on surfaces
资金
- Medical Research Council-Sao Paulo Research Foundation (FAPESP) CADDE partnership award [MR/S0195/1, FAPESP 18/14389-0]
- LIM-49 Bacteriology Laboratory from the Universidade de Sao Paulo
The study evaluated the presence of SARS-CoV-2 on the surface of mobile phones of healthcare workers in a hospital setting. While most HCWs increased adherence to hand hygiene and phone disinfection during the pandemic, SARS-CoV-2 RNA was still detected on some phones, highlighting the need for universal infection control guidelines for electronic devices in hospitals.
Mobile phones (MPs) have become an important work tool around the world including in hospitals. We evaluated whether SARS-CoV-2 can remain on the surface of MPs of first-line healthcare workers (HCW) and also the knowledge of HCWs about SARS-CoV-2 cross-transmission and conceptions on the virus survival on the MPs of HCWs. A crosssectional study was conducted in the COVID-19 Intensive Care Unit of a teaching hospital. An educational campaign was carried out on cross-transmission of SARS-CoV-2, and its permanence in fomites, in addition to the proper use and disinfection of MPs. Herewith an electronic questionnaire was applied including queried conceptions about hand hygiene and care with MP before and after the pandemic. The MPs were swabbed with a nylon FLOQ SwabTM, in an attempt to increase the recovery of SARS-CoV-2. All MP swab samples were subjected to SARS-CoV-2 RT-PCR; RT-PCR positive samples were subjected to viral culture in Vero cells (ATCC (R) CCL-81TM). Fifty-one MPs were swabbed and a questionnaire on hand hygiene and the use and disinfection of MP was applied after an educational campaign. Most HCWs increased adherence to hand hygiene and MP disinfection during the pandemic. Fifty-one MP swabs were collected and two were positive by RT-PCR (4%), with Cycle threshold (Ct ) values of 34-36, however, the cultures of these samples were negative. Although most HCWs believed in the importance of cross-transmission and increased adherence to hand hygiene and disinfection of MP during the pandemic, SARS-CoV-2 RNA was detected in MPs. Our results suggest the need for a universal policy in infection control guidelines on how to care for electronic devices in hospital settings.
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