Environmental and Occupational Respiratory Diseases ... - Springer Link
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Environmental and Occupational Respiratory Diseases ... - Springer Link
Hasnain et al. World Allergy Organization Journal 2013, 6(Suppl 1):P30 http://www.waojournal.org/content/6/S1/P30
MEETING ABSTRACT
Open Access
Environmental and Occupational Respiratory Diseases – 1031. A study of outdoor aeroallergens in Riyadh, Saudi Arabia Syed Mohammed Hasnain1*, Salma Kabbara1, Abdullah Saad Al-Modaihsh2, Othman Mahjob2 From 2nd WAO International Scientific Conference (WISC 2012) Hyderabad, India. 6-9 December 2012 Background To investigate the outdoor aeroallergens at two different, a fully developed (FD) and a less developed (LD), sites in Riyadh, capital city of Saudi Arabia. Methods Two Burkard Volumetric 7-day Recording Spore Traps were employed at both locations. Exposed slides were read at 12 bi-hourly traverses, with a total of 60 fields per 24 hours (0-24hours). The study was initiated in January 2012. Results The data analyzed so far revealed the presence of different pollen and fungal species at both sites. The ratio between the pollen and fungal spores was 1:5. The airborne pollen grains showed quantitative and qualitative differences between the two sites. At FD site, the major pollen grains included Phoenix dactylifera (31%), grass pollen (14%), Atriplex nummularia (12%), Amaranthus viridus (10%), Artemisia monosperma (7%), Plantago sp. (6%) and Populus sp. (4%). The minor species (