I'v read a few studies about demodex mites causing chalazion[1]. Demodex mites are something humans picked up from having dogs and cats as pets. Do non-wester

I'v read a few studies about demodex mites causing chalazion[1]. Demodex mites are something humans picked up from having dogs and cats as pets. Do non-western countries have these animals as pets? [1] ]https://www.ncbi.nlm.nih.gov/pubmed/26408604 https://www.ncbi.nlm.nih.gov/pubmed/26408604