The COVID-19 pandemic has caused dramatic death and infection worldwide, leading to a global public health crisis. As for precautions, scientists have different opinions on the effectiveness of masks in preventing COVID-19 transmission. Published studies suggested that medical masks may help in preventing respiratory virus infection. But the currently available experimental results are too preliminary to support an informed policy. In conclusion, we need more well-designed and robust research on the effectiveness of masks in preventing COVID-19 infection.

More robust research is needed on the effectiveness of masks in preventing COVID-19 transmission, as current experimental results are too preliminary to support informed policy decisions.

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Need for more robust research on the effectiveness of masks in preventing COVID-19 transmission

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