In addition, the agency said it had received information about tests on viruses from bird cases in Japan.
He said that one possibility was that the Taiwan bird cases were from a poor-quality vaccine.
Still, he and others say, the lack of wild bird cases in Europe only underscores how little is understood about the virus.
Hans Wagner, the senior animal production and health officer in Southeast Asia for the United Nations Food and Agriculture Organization, said he was not aware of any human cases of the disease, or of any bird cases outside of Vietnam, Thailand and China.
If you squeeze in before they run out, the "Early Bird" cases (with a warming filter and tripod adapter) will set you back $59.
In this study, we use 2,642 poultry cases (Figure 1B) and 334 wild bird cases (Figure 1C), while the remaining cases in the dataset are uncertain or incomplete.
Figure 1A shows the distribution of animal outbreak cases from November 2003 to December 2006, including 3,365 poultry and wild bird cases in 50 countries.
The poultry cases exhibit a single peak at 55 days (Figure 2E), while the wild bird cases exhibit a single peak at 80 days (Figure 2F).
The T-bird case was straightforward: clear traceable cause, obvious pattern of failure.
Potential recall bias may also be countered because similar proportions of case-patients and controls reported no difficulty recalling contact with birds (case patients = 83%, controls = 85%, OR = 0.9, 95% CI 0.4 2.0, p = 0.7).
In a study of transposable elements over a wide range of birds, cases of homoplasy were found, but lineage sorting was considered an unlikely explanation of these events [ 32].
