http://www.ncbi.nlm.nih.gov/pubmed/2816174
http://www.ncbi.nlm.nih.gov/pubmed/2267731
Dawg53 posted one of these earlier and I wish I could find the post...please note the A. galli vs. A. spp. in the two abstracts (and don't ask me the difference, LOL).
If the sneezing doesn't go away you...