Topics About 'Coronavirus Masks'.

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  1. tnbutterfly - Mary

    Study Finds Cotton Masks Fail to Effectively Filter Coughs from Covid Patients

    tnbutterfly - Mary posted a topic in COVID

    A small study from South Korea cast doubt on the ability of surgical or cotton face masks to effectively prevent dissemination of COVID-19 coronavirus from the coughs of infected patients. Whether face masks decrease transmission from asymptomatic in...