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The COVID-19 pandemic has impacted and enforced significant restrictions within our societies, including the attendance of the public and professional athletes in gyms. Liquid chalk is a commonly used accessories in gyms and is comprised of magnesium carbonate and alcohol that quickly evaporates on the hands to leave a layer of dry chalk. We investigated whether liquid chalk is an antiseptic against highly pathogenic human viruses including, SARS-CoV-2, influenza virus and noroviruses. Chalk was applied before or after virus inoculum and recovery of infectious virus was determined to mimic the use in the gym. We observed that addition of chalk before or after virus contact lead to a significant reduction on recovery of infectious SARS-CoV-2 and influenza but had little impact on norovirus. These observations suggest that the use and application of liquid chalk can be an effective and suitable antiseptic for major sporting events, such as the Olympic Games.
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10.1101/2020.11.02.364661
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document_parses/pdf_json/3e4a5bf364d1234060f980cef3b3148e7fa5b981.json
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Liquid chalk is an antiseptic against SARS-CoV-2 and influenza A respiratory viruses
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