Mask Requirements – Studies show that wearing a face mask is likely to reduce the likelihood of airbourne droplets entering your nose or mouth by up to 80 percent!!

These droplets are the main transmission of coronavirus and so it is definitely worth leaning on the evidence provided by the international journal of Infection Diseases from back in 2008: https://www.ijidonline.com/article/S1201-9712(08)01008-4/fulltext

Viruses can however come in the form of micro particles, that are able to penetrate masks and can even transmit through contact with the eyes. This points the question at what masks and what filters are best to use?

Below are some of the designs on the market and how effective they are on a scale of 1-5.