https://www.ncbi.nlm.nih.gov/m/pubmed/28282501/?i=1&from=asthma%20mite (https://www.ncbi.nlm.nih.gov/m/pubmed/28282501/?i=1&from=asthma%20mite)
Is this actually a new recommendation?
Back in the dark ages when I went to the allergist, it seemed pretty standard to get a brochure and be told to get those mattress & pillow cover things.