Key points are not available for this paper at this time.
Most virologists believed the question wasn't whether the bird virus H5N1 would return, but when. They were right. In the past 2 weeks, China, Vietnam, and Thailand have all reported new outbreaks of the strain that scientists fear could evolve into a global catastrophe if unchecked. Meanwhile, the World Health Organization (WHO), frustrated by a lack of cooperation, stepped up pressure last week on countries to provide samples that could be used to monitor the gathering threat.
Normile et al. (Thu,) studied this question.