Such compositions can be used in a manner similar to {HEAD ~ dust mite} extracts to treat or prevent {TAIL ~ allergic reactions} to a dust mite allergen in a subject 
to prevent
Such compositions can be used in a manner similar to { HEAD ~ dust mite } extracts to treat or prevent { TAIL ~ allergic reactions } to a dust mite allergen in a subject
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH