Complete Fulfillment:
Scientists studying the H7N9 bird flu virus discovered a new H7-type virus lurking in chickens in China which maybe worse then the current. the virus was able to infect mammals in a lab experiment, said the team, warning H7 viruses "may pose threats beyond the current outbreak. The continuing prevalence of H7 viruses in poultry could lead to the generation of highly pathogenic variants and further sporadic human infections.
