WHAT IS THE FACE MASK THAT PREVENTS THE MOST FROM COVID-19? YGY3WCQCAZGJHO3HUQVKSVXVKY 862x485

WHAT IS THE FACE MASK THAT PREVENTS THE MOST FROM COVID-19?

The University of Tokyo did a recent study to measure the effectiveness of face masks that prevent the spread of the coronavirus. For this, the researchers created an infection simulator in an air chamber, where they put two mannequin heads facing each other. The first one never wears a face mask and has a nebulizer that continuously discharges virus particles …