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      COVID-19-associated shortage of alcohol-based hand rubs, face masks, medical gloves and gowns – proposal for a risk-adapted approach to ensure patient and healthcare worker safety

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          The COVID-19 pandemic has caused a huge demand of alcohol-based hand rubs, medical gloves, face masks and gowns in healthcare and from the public. More and more hospitals face a serious shortage of these articles. We propose a risk-adapted approach to ensure adequate patient and healthcare worker safety for as long as possible.

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          Rational use of face masks in the COVID-19 pandemic

          Since the outbreak of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus that caused coronavirus disease 2019 (COVID-19), the use of face masks has become ubiquitous in China and other Asian countries such as South Korea and Japan. Some provinces and municipalities in China have enforced compulsory face mask policies in public areas; however, China's national guideline has adopted a risk-based approach in offering recommendations for using face masks among health-care workers and the general public. We compared face mask use recommendations by different health authorities (panel ). Despite the consistency in the recommendation that symptomatic individuals and those in health-care settings should use face masks, discrepancies were observed in the general public and community settings.1, 2, 3, 4, 5, 6, 7, 8 For example, the US Surgeon General advised against buying masks for use by healthy people. One important reason to discourage widespread use of face masks is to preserve limited supplies for professional use in health-care settings. Universal face mask use in the community has also been discouraged with the argument that face masks provide no effective protection against coronavirus infection. Panel Recommendations on face mask use in community settings WHO 1 • If you are healthy, you only need to wear a mask if you are taking care of a person with suspected SARS-CoV-2 infection. China 2 • People at moderate risk* of infection: surgical or disposable mask for medical use. • People at low risk† of infection: disposable mask for medical use. • People at very low risk‡ of infection: do not have to wear a mask or can wear non-medical mask (such as cloth mask). Hong Kong 3 • Surgical masks can prevent transmission of respiratory viruses from people who are ill. It is essential for people who are symptomatic (even if they have mild symptoms) to wear a surgical mask. • Wear a surgical mask when taking public transport or staying in crowded places. It is important to wear a mask properly and practice good hand hygiene before wearing and after removing a mask. Singapore 4 • Wear a mask if you have respiratory symptoms, such as a cough or runny nose. Japan 5 • The effectiveness of wearing a face mask to protect yourself from contracting viruses is thought to be limited. If you wear a face mask in confined, badly ventilated spaces, it might help avoid catching droplets emitted from others but if you are in an open-air environment, the use of face mask is not very efficient. USA 6 • Centers for Disease Control and Prevention does not recommend that people who are well wear a face mask (including respirators) to protect themselves from respiratory diseases, including COVID-19. • US Surgeon General urged people on Twitter to stop buying face masks. UK 7 • Face masks play a very important role in places such as hospitals, but there is very little evidence of widespread benefit for members of the public. Germany 8 • There is not enough evidence to prove that wearing a surgical mask significantly reduces a healthy person's risk of becoming infected while wearing it. According to WHO, wearing a mask in situations where it is not recommended to do so can create a false sense of security because it might lead to neglecting fundamental hygiene measures, such as proper hand hygiene. However, there is an essential distinction between absence of evidence and evidence of absence. Evidence that face masks can provide effective protection against respiratory infections in the community is scarce, as acknowledged in recommendations from the UK and Germany.7, 8 However, face masks are widely used by medical workers as part of droplet precautions when caring for patients with respiratory infections. It would be reasonable to suggest vulnerable individuals avoid crowded areas and use surgical face masks rationally when exposed to high-risk areas. As evidence suggests COVID-19 could be transmitted before symptom onset, community transmission might be reduced if everyone, including people who have been infected but are asymptomatic and contagious, wear face masks. Recommendations on face masks vary across countries and we have seen that the use of masks increases substantially once local epidemics begin, including the use of N95 respirators (without any other protective equipment) in community settings. This increase in use of face masks by the general public exacerbates the global supply shortage of face masks, with prices soaring, 9 and risks supply constraints to frontline health-care professionals. As a response, a few countries (eg, Germany and South Korea) banned exportation of face masks to prioritise local demand. 10 WHO called for a 40% increase in the production of protective equipment, including face masks. 9 Meanwhile, health authorities should optimise face mask distribution to prioritise the needs of frontline health-care workers and the most vulnerable populations in communities who are more susceptible to infection and mortality if infected, including older adults (particularly those older than 65 years) and people with underlying health conditions. People in some regions (eg, Thailand, China, and Japan) opted for makeshift alternatives or repeated usage of disposable surgical masks. Notably, improper use of face masks, such as not changing disposable masks, could jeopardise the protective effect and even increase the risk of infection. Consideration should also be given to variations in societal and cultural paradigms of mask usage. The contrast between face mask use as hygienic practice (ie, in many Asian countries) or as something only people who are unwell do (ie, in European and North American countries) has induced stigmatisation and racial aggravations, for which further public education is needed. One advantage of universal use of face masks is that it prevents discrimination of individuals who wear masks when unwell because everybody is wearing a mask. It is time for governments and public health agencies to make rational recommendations on appropriate face mask use to complement their recommendations on other preventive measures, such as hand hygiene. WHO currently recommends that people should wear face masks if they have respiratory symptoms or if they are caring for somebody with symptoms. Perhaps it would also be rational to recommend that people in quarantine wear face masks if they need to leave home for any reason, to prevent potential asymptomatic or presymptomatic transmission. In addition, vulnerable populations, such as older adults and those with underlying medical conditions, should wear face masks if available. Universal use of face masks could be considered if supplies permit. In parallel, urgent research on the duration of protection of face masks, the measures to prolong life of disposable masks, and the invention on reusable masks should be encouraged. Taiwan had the foresight to create a large stockpile of face masks; other countries or regions might now consider this as part of future pandemic plans. © 2020 Sputnik/Science Photo Library 2020 Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.
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            Surgical hand preparation: state-of-the-art.

            Surgical hand preparation has been recommended since the nineteenth century as a measure to reduce infection resulting from surgery. We review the evidence and major objectives of surgical hand preparation, as well as the criteria for the choice of products currently in use. Test and validation procedures for selecting products for surgical hand preparation in North America and Europe are compared. Surgical hand antisepsis using medicated soap and alcohol-based hand-rub formulations is discussed, including the technical aspects, time required for the procedure, drying time, potential for side-effects, and the parameters for the selection of the most appropriate formulations. Brushes are not recommended for surgical hand preparation. Rapid antimicrobial action, wider spectrum of activity, lower side-effects, and the absence of the risk of hand contamination by the rinsing water, clearly favour the use of alcohol-based hand rubs for surgical hand preparation, even in countries with limited resources where the provision of water is scarce or of doubtful quality.
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              Disinfection of gloved hands for multiple activities with indicated glove use on the same patient

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                Author and article information

                Contributors
                Journal
                J Hosp Infect
                J. Hosp. Infect
                The Journal of Hospital Infection
                The Healthcare Infection Society. Published by Elsevier Ltd.
                0195-6701
                1532-2939
                30 April 2020
                30 April 2020
                Affiliations
                [1 ]University Medicine Greifswald, Institute for Hygiene and Environmental Medicine, Ferdinand-Sauerbruch-Strasse, 17475 Greifswald, Germany
                [2 ]Institute of Infection Control and Infectious Diseases, University Medical Center, Georg August University, Göttingen, Germany
                [3 ]University Hospital Aachen, Department of Infection Control and Infectious Diseases, Aachen, Germany
                [4 ]University Brest, Inserm, EFS, UMR 1078, GGB, Infection Control Unit, Brest, France
                [5 ]Institute of Hygiene and Applied Immunology, Medical University, Vienna, Austria
                Author notes
                []Corresponding author. guenter.kampf@ 123456uni-greifswald.de
                Article
                S0195-6701(20)30226-7
                10.1016/j.jhin.2020.04.041
                7190502
                32360355
                c2f3bc13-4c94-4b09-b520-ed4b4ba5cfc1
                © 2020 The Healthcare Infection Society. Published by Elsevier Ltd. All rights reserved.

                Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

                History
                : 31 March 2020
                : 24 April 2020
                Categories
                Article

                Infectious disease & Microbiology
                coronavirus,face masks,alcohol-based hand rubs,medical gloves

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