Speaking in the Assembly Mr Swann said his department’s recommendation to the executive on keeping social distancing at 2m (6ft) remains in place.
The World Health Organization says that a distance of 1m is safe.
Some countries, such as France and Denmark, have already adopted this guidance.
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Last week, Economy Minister Diane Dodds said it was an issue the executive would have to give thought to.
Earlier today Mr Swann told assembly members that advice from his officials had not changed.
He said reducing physical distancing to 1m would have “larger implications” for contact tracing, as contact of three minutes at that distance could pass on infection.
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