lunes, 2 de marzo de 2020

Coronavirus may have spread in US for weeks, gene sequencing suggests | World News,The Indian Express

Coronavirus may have spread in US for weeks, gene sequencing suggests | World News,The Indian Express

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Coronavirus may have spread in US for weeks, gene sequencing suggests

MARCH 2, 2020 7:59:18 AM
Washington had the U.S.’ first confirmed case of coronavirus, announced by the Centers for Disease Control and Prevention on Jan. 20. Based on an analysis of the virus’s genetic sequence, another case that surfaced in the state and was announced Friday probably was descended from that first case.

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