In the past, we’ve only used surgical masks during epidemics (think SARS and MERS). We know these work. If you need the science (including a meta-analysis) let me know. But, now that we need masks on a global scale, we are turning to other types (like cloth and bandanas). The only problem is we don’t know how effective they are.
Types of Face Masks
Types of Face Masks
Types of Face Masks
In the past, we’ve only used surgical masks during epidemics (think SARS and MERS). We know these work. If you need the science (including a meta-analysis) let me know. But, now that we need masks on a global scale, we are turning to other types (like cloth and bandanas). The only problem is we don’t know how effective they are.