Genetic sequencing of two cases of the novel coronavirus in Washington state suggests the disease had been circulating in the state for six weeks —  but went undetected because of strict testing restrictions set by the Centers for Disease Control and Prevention, according to a scientist who compared the genetic fingerprints.

The study of the coronavirus contracted by a high school student in Snohomish County north of Seattle links the illness to the very first…

[Source: Huffington Post]