By Steven Reinberg
FRIDAY, July 24, 2020 (HealthDay News) — When it arrives to selfmade facial area masks, two or 3 layers of material is most effective, scientists say.
That is what you want to hold droplets from your nose and mouth from spreading the virus, the Australian researchers uncovered.
Many types of content have been recommended for making masks, but there is certainly minor or no evidence of how effective they are, the team observed.
For the study, the scientists as opposed solitary- and double-layer cotton facial area masks (with a