In contrast to the low archaea and virus proportions, we observed a significant eukaryotic fraction in some samples, exceeding 10% in 24 samples with a maximum of 36.3% in one case (on average 1.2 ± 3.8%).
Although signs and symptoms were largely nonspecific and similar to those of EHF outbreaks caused by Zaire and Sudan Ebola viruses, proportion of deaths among those infected was lower (≈40%).
This was comparable to a 55.5 % virus detection proportion in the throat swabs obtained within the "ARE surveillance Lower Saxony" (two-sample test of proportions, p = 0.264, Fig. 2).
Evidence suggests that due to the mild nature of the symptoms of the A/H1N1 2009 virus, the proportion of infected people seeking medical attention was low, perhaps on the order of 5% 10% [29], [30].
In some of the countries most at risk from the virus, the proportion of young people who have correct knowledge to protect themselves is as low as 20 percent.
In the absence of the Orsay virus, the proportion of the N2 genotype remains close to 50% throughout the experiment (48.6 ± 5.3%).
In the presence of the Orsay virus, the proportion of the N2 genotype increases and appears to stabilize around 90% after nine transfers (88.1 ± 4.6%).
The flock prevalence of subtype H5 virus RNA (proportion of flock-visits during which at least 1 study bird was positive) in clinically healthy birds for all flock samplings pooled over the entire study period was 2.5%9595% CI 0.9 4.1) for ducks and 1.5%9595% CI 0.4 2.7) for chickens.
For both viruses, the proportion of high-diversity SNPs is distinctly lower in three samples compared with the remainder, two of which are the same for each virus (BRL and CCD-).
Additionally, 42.7% of patients in whom genotyping was successful were infected with nonclade B viruses, a proportion much greater than the rate reported in 312 HIV-infected US blood donors (2%) (16) and in a recent Canadian public health surveillance report (8.9%) (27).
