Hey guys, just found this article that says that the nature of the transmission of up to 25% of H5N1 cases cannot be explained by respiratory or parenteral transmission. They theorize that the virus may somehow be transported along surfaces carrying the virus or "kicked up in fertilizer dust". They explain that for some of the patients, their only risk factor was having visited a live poultry market. That sounds reasonably risky to me, but I guess if they got the disease without touching the infected birds there needs to be another explanation. If this means that H5N1 can survive in the environment in someway, it could be a scary discovery.
Here's the article: http://www.reuters.com/article/companyNewsAndPR/idUSN1616209020080117?pageNumber=1&virtualBrandChannel=0