Let's err on the side of caution'

It should be noted that a) this doesn't seem to be based on anything new and b) that he had already said the same thing a few times previously.

Just hit at a bad time for markets, also possibly crossing Japanese traders' screens for the first time https://t.co/Zoux9qCkwg

— Gearoid Reidy (@GearoidReidy) November 30, 2021

 モデルナＣＥＯ、オミクロン株に既存ワクチン「はるかに効果薄い」…改良・量産に「数か月」

しっかりとした評価がでるまで、いろんな意見がでてくるだろうが・・・・警戒に越したことはない。