Dr. Bob Arnot On Why Not All COVID-19 Masks Are The Same

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A disturbing new study has found that cloth masks may be ineffective when it comes to slowing the spread of COVID-19, and might in fact do more harm than good. MD and medical journalist Dr. Bob Arnot joins RT America’s Faran Fronzak (in for Rick Sanchez) to explain the importance of wearing the right kind of mask and why simple cloth coverings don’t work.