The mesh size recommended by the WHO for protection from yellow fever, the zika virus, dengue, or malaria in high-risk areas is at least 156 mesh (mesh= the number of holes in an area of 1 square inch = 6,45 cm²).
The MOSQUITO-SAFE has approx. 200 mesh.
- WHO (Ed.) Specifications for Netting Materials, Stand 2001, accessed May 14, 2021