niman wrote:
niman wrote:
The Wisconsin case reported contact with pigs in the week preceding symptom onset on September 8, 2010 and required hospitalization.
http://cdc.gov/flu/weekly/Wisconsin and Illinois had state fairs that were still ongoing at the end of August. Illinois fair was in Springfield, which is not close to Wisconsin. Wisconsin fair was in Milwaukee, which is much closer to Illinois and Chicago metropolitan area.
Here is a picture from the Wisconsin state fair posted Aug 25, 2010
http://www.agriview.com/articles/2010/0 ... tock03.txtthe patient in Wisconsin became sick two days after attending a state fair where pigs were exhibitedhttp://www.cdc.gov/media/subtopic/heard.htm#h3n2Both of the above comments were in CDC documents posted yesterday. The swine "contact" is far from clear. The WHO alert cited a 7 month old from Illinois, but the CDC noted that the case was reported by Wisconsin, suggesting that the child was an Illinois resident who attended the Wisconsin fair.
However, in either case it is unclear how close a 7 month old would get to swine at a fair where there were exhibits. Moreover, one statement from the CDC claims the "contact" was in the week preceding symptoms, while another statement says symptoms developed 2 days after "attending" a state fair.
Thus, the nature of the "contact", as well as the timing of the contact are far from clear.
The H3N2 cases have not been linked to ill swine, and most have no direct swine contact in the period preceding symptoms.
These five cases are in marked contrast to the Ohio outbreak at the Huron county fair in 2007, where H1N1 was isolated from the swine, an infected exhibitor, and her father. Those sequences were published and were identical, directly supporting transmission from swine to human(s). Two dozen fair attendees also reported flu-like symptoms (and like the Illinois and Wisconsin fairs, the exposure was in August).
http://www.huroncountyfair.com/2007pdf/ ... ule_07.pdf
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