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      Hand Hygiene and Mask-Wearing Practices during COVID-19 among Healthcare Workers: Misinformation as a Predictor

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          ABSTRACT.

          Poor public health information is a hurdle in infectious disease control. The study aims to examine whether healthcare workers adhere to hand hygiene and mask-wearing guidelines during the COVID-19 pandemic and to explore their exposure to misinformation about the pandemic as a predictor. A cross-sectional survey was sent to 518 healthcare workers across Indonesia, the fourth largest nation in the world, in September 2020 during the COVID-19 pandemic. The respondents reported whether they adhered to the guidelines of hand hygiene and mask wearing and whether they believed in four pieces of misinformation about the origin, severity, contagion, and prevention of COVID-19. The association between misinformation and hand hygiene and mask wearing was tested with logistic regression models controlling for demographic and health-related covariates. Approximately 25% of healthcare workers did not always adhere to hand hygiene guidelines and approximately 5% did not adhere to mask-wearing guidelines. There are significant associations between all four pieces of misinformation and hand hygiene and mask wearing. It is important to improve public health information about COVID-19, which may hold key to healthcare workers’ hand hygiene and mask wearing and to protect their health and patients’ safety.

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          Fighting COVID-19 Misinformation on Social Media: Experimental Evidence for a Scalable Accuracy-Nudge Intervention

          Across two studies with more than 1,700 U.S. adults recruited online, we present evidence that people share false claims about COVID-19 partly because they simply fail to think sufficiently about whether or not the content is accurate when deciding what to share. In Study 1, participants were far worse at discerning between true and false content when deciding what they would share on social media relative to when they were asked directly about accuracy. Furthermore, greater cognitive reflection and science knowledge were associated with stronger discernment. In Study 2, we found that a simple accuracy reminder at the beginning of the study (i.e., judging the accuracy of a non-COVID-19-related headline) nearly tripled the level of truth discernment in participants’ subsequent sharing intentions. Our results, which mirror those found previously for political fake news, suggest that nudging people to think about accuracy is a simple way to improve choices about what to share on social media.
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            COVID-19: what is next for public health?

            The WHO Scientific and Technical Advisory Group for Infectious Hazards (STAG-IH), working with the WHO secretariat, reviewed available information about the outbreaks of 2019 novel coronavirus disease (COVID-19) on Feb 7, 2020, in Geneva, Switzerland, and concluded that the continuing strategy of containment for elimination should continue, and that the coming 2–3 weeks through to the end of February, 2020, will be crucial to monitor the situation of community transmission to update WHO public health recommendations if required. Genetic analysis early in the outbreak of COVID-19 in China revealed that the virus was similar to, but distinct from, severe acute respiratory syndrome coronavirus (SARS-CoV), but the closest genetic similarity was found in a coronavirus that had been isolated from bats. 1 As there was in early January, 2020, scarce information available about the outbreak, knowledge from outbreaks caused by the SARS-CoV and Middle East respiratory syndrome coronavirus (MERS-CoV) formed the basis for WHO public health recommendations in mid-January. 2 However, the availability of more evidence in the past month has shown major differences between the outbreaks and characteristics of COVID-19 compared with those of SARS-CoV. Recognising the Wuhan-focused and nationwide outbreak responses in China, WHO has encouraged countries with heavy air travel exchange with Wuhan to take precautionary public health measures 2 and, if there is imported infection, to undertake activities that could lead to the elimination of the virus in human populations as occurred during the 2003 SARS outbreak. 3 After the SARS outbreak, a few follow-on outbreaks occurred, including accidents in laboratories researching SARS-CoV. 4 SARS-CoV is thought to have been eliminated from human populations during 2003, and there have been no reports in the medical literature about SARS-CoV circulation in human populations since then. The 2003 SARS outbreaks are thought to have originated from the spillover of a mutated coronavirus from animals sold in a live animal market in Guangdong province in China to a few humans, and it then surfaced as a large cluster of pneumonia in health-care settings in Guangdong province. 5 Although the causative agent was then unknown, an infected medical doctor who had been treating patients in Guangdong province travelled to Hong Kong when he became ill and became an index case for hospital-associated and community outbreaks in Hong Kong and in three countries outside of China. The causative agent was later identified as a coronavirus and named SARS-CoV. The SARS outbreaks were at times characterised by several superspreading events—eg, hotel-based transmission from one infected hotel guest to others who travelled to Canada, Singapore, and Vietnam. 6 One large apartment complex-based outbreak of SARS was later found to be caused by aerosolisation of virus contaminated sewage. 6 COVID-19 is thought to have been introduced to human populations from the animal kingdom in November or December, 2019, as suggested by the phylogeny of genomic sequences obtained from early cases. 7 The genetic epidemiology suggests that from the beginning of December, 2019, when the first cases were retrospectively traced in Wuhan, the spread of infection has been almost entirely driven by human-to-human transmission, not the result of continued spillover. There was massive transmission in a matter of weeks in Wuhan, and people in the resulting chains of transmission spread infection by national and international travel during the Chinese New Year holidays. COVID-19 seems to have different epidemiological characteristics from SARS-CoV. COVID-19 replicates efficiently in the upper respiratory tract and appears to cause less abrupt onset of symptoms, similar to conventional human coronaviruses that are a major cause of common colds in the winter season. 8 Infected individuals produce a large quantity of virus in the upper respiratory tract during a prodrome period, are mobile, and carry on usual activities, contributing to the spread of infection. By contrast, transmission of SARS-CoV did not readily occur during the prodromal period when those infected were mildly ill, and most transmission is thought to have occurred when infected individuals presented with severe illness, thus possibly making it easier to contain the outbreaks SARS-CoV caused, unlike the current outbreaks with COVID-19. 6 © 2020 Kyodo News/Contributor/Getty Images 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. COVID-19 also has affinity for cells in the lower respiratory tract and can replicate there, causing radiological evidence of lower respiratory tract lesions in patients who do not present with clinical pneumonia. 8 There seem to be three major patterns of the clinical course of infection: mild illness with upper respiratory tract presenting symptoms; non-life-threatening pneumonia; and severe pneumonia with acute respiratory distress syndrome (ARDS) that begins with mild symptoms for 7–8 days and then progresses to rapid deterioration and ARDS requiring advanced life support (WHO EDCARN clinical telephone conference on COVID-19, personal communication with Myoung-don Oh [Seoul National University Hospital] and Yinzhong Shen [Shanghai Public Health Clinical Center]) The case fatality ratio with COVID-19 has been difficult to estimate. The initial case definition in China included pneumonia but was recently adjusted to include people with milder clinical presentation and the current estimate is thought to be about 1–2%, which is lower than that for SARS (10%). 9 The actual case fatality ratio of infection with COVID-19 will eventually be based on all clinical illness and at the time of writing information on subclinical infection is not available and awaits the development of serological tests and serosurveys. Presently COVID-19 seems to spread from person to person by the same mechanism as other common cold or influenza viruses—ie, face to face contact with a sneeze or cough, or from contact with secretions of people who are infected. The role of faecal–oral transmission is yet to be determined in COVID-19 but was found to occur during the SARS outbreak. 10 The lock-down of Wuhan City seems to have slowed international spread of COVID-19; however, the effect is expected to be short-lived (WHO modelling group). Efforts are currently underway in China, in the 24 countries to which infected persons have travelled, and in public conveyances, such as cruise ships, to interrupt transmission of all existing and potential chains of transmission, with elimination of COVID-19 in human populations as the final goal. This WHO-recommended strategy is regularly assessed each week by STAG-IH on the basis of daily risk assessments by WHO as information becomes available from outbreak sites. A plausible scenario based on the available evidence now is that the newly identified COVID-19 is causing, like seasonal influenza, mild and self-limiting disease in most people who are infected, with severe disease more likely among older people or those with comorbidities, such as diabetes, pulmonary disease, and other chronic conditions. Health workers and carers are at high risk of infection, and health-care-associated amplification of transmission is of concern as is always the case for emerging infections. People in long-term care facilities are also at risk of severe health consequences if they become infected. Non-pharmaceutical interventions remain central for management of COVID-19 because there are no licensed vaccines or coronavirus antivirals. If the situation changes towards much wider community transmission with multiple international foci, the WHO strategy of containment for elimination could need to be adjusted to include mitigation strategies combined with the following activities currently recommended by STAG-IH on the WHO website. First, close monitoring is needed of changes in epidemiology and of the effectiveness of public health strategies and their social acceptance. Second, continued evolution is needed of enhanced communication strategies that provide general populations and vulnerable populations most at risk with actionable information for self-protection, including identification of symptoms, and clear guidance for treatment seeking. Third, continued intensive source control is needed in the epicentre in China—ie, isolation of patients and persons testing positive for COVID-19, contact tracing and health monitoring, strict health facility infection prevention and control, and use of other active public health control interventions with continued active surveillance and containment activities at all other sites where outbreaks are occurring in China. Fourth, continued containment activities are needed around sites outside China where there are infected people and transmission among contacts, with intensive study to provide information on transmissibility, means of transmission, and natural history of infection, with regular reporting to WHO and sharing of data. Fifth, intensified active surveillance is needed for possible infections in all countries using the WHO-recommended surveillance case definition. 11 Sixth, preparation for resilience of health systems in all countries is needed, as is done at the time of seasonal influenza, anticipating severe infections and course of disease in older people and other populations identified to be at risk of severe disease. Seventh, if widespread community transmission is established, there should then be consideration of a transition to include mitigation activities, especially if contact tracing becomes ineffective or overwhelming and an inefficient use of resources. Examples of mitigation activities include cancelling public gatherings, school closure, remote working, home isolation, observation of the health of symptomatic individuals supported by telephone or online health consultation, and provision of essential life support such as oxygen supplies, mechanical ventilators and extracorporeal membrane oxygenation (ECMO) equipment. Eighth, serological tests need to be developed that can estimate current and previous infections in general populations. Finally, continued research is important to understand the source of the outbreak by study of animals and animal handlers in markets to provide evidence necessary for prevention of future coronavirus outbreaks.
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              Conspiracy theories as barriers to controlling the spread of COVID-19 in the U.S.

              Rationale The COVID-19 pandemic poses extraordinary challenges to public health. Objective Because the novel coronavirus is highly contagious, the widespread use of preventive measures such as masking, physical distancing, and eventually vaccination is needed to bring it under control. We hypothesized that accepting conspiracy theories that were circulating in mainstream and social media early in the COVID-19 pandemic in the US would be negatively related to the uptake of preventive behaviors and also of vaccination when a vaccine becomes available. Method A national probability survey of US adults (N = 1050) was conducted in the latter half of March 2020 and a follow-up with 840 of the same individuals in July 2020. The surveys assessed adoption of preventive measures recommended by public health authorities, vaccination intentions, conspiracy beliefs, perceptions of threat, belief about the safety of vaccines, political ideology, and media exposure patterns. Results Belief in three COVID-19-related conspiracy theories was highly stable across the two periods and inversely related to the (a) perceived threat of the pandemic, (b) taking of preventive actions, including wearing a face mask, (c) perceived safety of vaccination, and (d) intention to be vaccinated against COVID-19. Conspiracy beliefs in March predicted subsequent mask-wearing and vaccination intentions in July even after controlling for action taken and intentions in March. Although adopting preventive behaviors was predicted by political ideology and conservative media reliance, vaccination intentions were less related to political ideology. Mainstream television news use predicted adopting both preventive actions and vaccination. Conclusions Because belief in COVID-related conspiracy theories predicts resistance to both preventive behaviors and future vaccination for the virus, it will be critical to confront both conspiracy theories and vaccination misinformation to prevent further spread of the virus in the US. Reducing those barriers will require continued messaging by public health authorities on mainstream media and in particular on politically conservative outlets that have supported COVID-related conspiracy theories.
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                Author and article information

                Journal
                Am J Trop Med Hyg
                Am J Trop Med Hyg
                tpmd
                tropmed
                The American Journal of Tropical Medicine and Hygiene
                The American Society of Tropical Medicine and Hygiene
                0002-9637
                1476-1645
                December 2021
                22 October 2021
                22 October 2021
                : 105
                : 6
                : 1483-1489
                Affiliations
                [ 1 ]Department of Sociology, National University of Singapore, Singapore;
                [ 2 ]Graduate School of Business, Stanford University, Stanford, California;
                [ 3 ]School of Psychology, University of Adelaide, Adelaide, South Australia, Australia;
                [ 4 ]Faculty of Medicine, Universitas Brawijaya, Malang, East Java, Indonesia,
                [ 5 ]Faculty of the Professions, University of Adelaide, Adelaide, Australia
                Author notes
                [* ]Address correspondence to Stephen X. Zhang, Faculty of the Professions, University of Adelaide, 9-28 Nexus10 Tower, 10 Pulteney Street, Adelaide SA 5000, Australia. E-mail: stephen.x.zhang@ 123456gmail.com
                [†]

                These authors contributed equally to this study.

                Authors’ addresses: Senhu Wang, Departmenf of Sociology, National University of Singapore, E-mail: socsw@ 123456nus.edu.sg . Lambert Zixin Li, Graduate School of Business, Stanford University, Stanford, CA, E-mail: lizixin@ 123456stanford.edu . Natasha van Antwerpen, School of Psychology, University of Adelaide, Adelaide, South Australia, Australia, E-mail: natasha.vanantwerpen@ 123456adelaide.edu.au . Sutrisno Suparman, Mergy Gayatri, and Ningrum Paramita Sari, Faculty of Medicine, Universitas Brawijaya, Veteran Malang, East Java, Indonesia, E-mails: snospogk@ 123456gmail.com , mergy.gayatri@ 123456ub.ac.id , and ningrumparamita@ 123456ub.ac.id .

                Article
                tpmd210463
                10.4269/ajtmh.21-0463
                8641349
                34678760
                98e828f2-d989-4ab8-b012-3dc31390ced8
                © The American Society of Tropical Medicine and Hygiene

                This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                : 26 April 2021
                : 09 September 2021
                Page count
                Pages: 7
                Categories
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                Original Article

                Infectious disease & Microbiology
                Infectious disease & Microbiology

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