There is no evidence the new coronavirus has been altering either in its form of transmission or severity of the disease it causes, a World Health Organization (WHO) expert said on Monday.
"In terms of transmissibility, that has not changed, in terms of severity, that has not changed," Maria Van Kerkhove, a WHO epidemiologist, told a media briefing.
"What's important is that there are measures in place to reduce and to suppress transmission."
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