There had been talk of it switching to a summer schedule.
Six Nations organinsers have confirmed the 2021 Championship will take place in February and March as planned.
There has been speculation that the tournament could be moved to the summer with the Lions’ tour to South Africa now in doubt because of the escalating coronavirus pandemic.
A spokesperson said they are planning to go ahead as scheduled but they "are monitoring the situation with the unions and their respective governments and health authorities".
The tournament opens when Italy host France on 6 February — Ireland are due to face Wales in Cardiff the following day.
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