As suspected, a novel coronavirus has been identified in some patients who are part of a cluster of unexplained pneumonia cases in Wuhan, China, according to unnamed sources familiar with the investigation who are cited in a Wall Street Journal (WSJ) story today.

As scientists and health officials wait for official statements and more confirmation details, some virologists say they’re not surprised to see another human emergence of coronavirus, a species that is becoming a bigger player on the world stage. The new discovery comes in the wake of the SARS (severe acute respiratory syndrome) outbreak in 2003 and the first human detection of MERS-CoV (Middle East respiratory syndrome coronavirus) in 2012.

WSJ source said the novel strain has been genetically sequenced from one patient sample and was found in some of the others, but it hasn’t been confirmed as the underlying cause in all of the 59 outbreak cases.

Six coronaviruses tied to human cases

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