There has been quite a lot of research done regarding the type of mask that works best. Some are not very effective, but even a “bad” one helps to some degree.
Here is a link to a video on CNN showing how researchers have tested the efficacy of a variety of masks. They remind us that continued research has shown that wearing a mask not only protects others, but the wearer as well.
‘Till next time, take care and stay safe,
The team at CDS Consultants Medical